// you can also use imports, for example:
// import java.util.*;

// you can write to stdout for debugging purposes, e.g.
// System.out.println("this is a debug message");

class Solution {
    public int solution(int[] A) {
        // write your code in Java SE 8
    }
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
    // write your code in JavaScript (Node.js 8.9.4)
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
    const oddSorted = A.sort();
    
    
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort();
    
    
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, array) => {
       
   });
    
    
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, array) => arrays[index] !== arrays[in]);
    
    
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, array) => arrays[index] !== arrays[index + 1]);
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, array) => arrays[index] !== arrays[index + 1]);
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => arrays[index] !== arrays[index + 1]);
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => num !== arrays[index + 1]);
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => num !== arrays[index + 1]);
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   retur
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => num !== arrays[index + 1]);
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       num !== arrays[index + 1]);
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       if (index %)
       num !== arrays[index + 1]
       
       
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       if (index % === 1)
       num !== arrays[index + 1]
       
       
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       if (index % === 1)
       num  !== arrays[index + 1]
       
       
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       if (index % === 1)
       num % 2 === 0 !== arrays[index + 1]
       
       
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       if (num % 2 === 0) {
           
       }
       
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       if (num % 2 === 1) {
           
       }
       
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       if (index % 2 === 1) {
           
       }
       
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       if (index % 2 === 0) {
           
       }
       
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       if (index % 2 === 0) {
           return num !==
       }
       
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       if (index % 2 === 0) {
           return num !== arrays[index + 1];
       }
       
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       if (index % 2 === 0) {
           return num !== arrays[index + 1];
       } else {
           return false;
       }
       
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
   return A.sort().find((num, index, arrays) => {
       if (index % 2 === 0) {
           return num !== arrays[index + 1];
       } else {
           return false;
       }
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {

   if (!!A)    
    
   return A.sort().find((num, index, arrays) => {
       if (index % 2 === 0) {
           return num !== arrays[index + 1];
       } else {
           return false;
       }
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A = []) {

   if (A.length)    
    
   return A.sort().find((num, index, arrays) => {
       if (index % 2 === 0) {
           return num !== arrays[index + 1];
       } else {
           return false;
       }
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A = []) {

   if (A.length === 1) {
       return A[0];
   }    
    
   return A.sort().find((num, index, arrays) => {
       if (index % 2 === 0) {
           return num !== arrays[index + 1];
       } else {
           return false;
       }
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A = []) {

   if (A.length === 1) {
       return A[0];
   }    
    
   return A.sort().find((num, index, arrays) => {
       if (index % 2 === 0) {
           return num !== arrays[index + 1];
       } else {
           return false;
       }
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A = []) {

   if (A.length === 1) {
       return A[0];
   }    
    
   return A.sort().find((num, index, arrays) => {
       if (index % 2 === 0) {
           return num !== arrays[index + 1];
       } else {
           return false;
       }
   });
}

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A = []) {

   if (A.length === 1) {
       return A[0];
   }    
    
   return A.sort().find((num, index, arrays) => {
       if (index % 2 === 0) {
           return num !== arrays[index + 1];
       } else {
           return false;
       }
   });
}