// 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, int B, int K) {
        // write your code in Java SE 8
    }
}

// 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, int B, int K) {
		int count = 0;
		if (A % K == 0) count++;
		if(A != B){
			int firstDivided = A / K;
			int secondDivided = B / K;
			count += secondDivided - firstDivided;
		}
		return count;
	}
}

// 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, int B, int K) {
		int count = 0;
		if (A % K == 0) count++;
		if(A != B){
			int firstDivided = A / K;
			int secondDivided = B / K;
			count += secondDivided - firstDivided;
		}
		return count;
	}
}

// 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, int B, int K) {
		int count = 0;
		if (A % K == 0) count++;
		if(A != B){
			int firstDivided = A / K;
			int secondDivided = B / K;
			count += secondDivided - firstDivided;
		}
		return count;
	}
}