#include <iostream>
 
int main() {
    int m, n;
    std::cin >> m >> n;
    int trucks = m / n;
    if (m % n != 0) {
        trucks++;
    }
    std::cout << trucks << std::endl;
    return 0;
}
/**************************************************************
	Problem: 1030
	User: chenjiahui
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/