#include <stdio.h>

int main() {
    int m, n;

    scanf("%d %d", &m, &n);

    int trucks = (m + n - 1) / n;

    printf("%d\n", trucks);
    return 0;
}
/**************************************************************
	Problem: 1030
	User: fuhoubin
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:1144 kb
****************************************************************/