abc186_a_brick.cpp

// Brick | https://atcoder.jp/contests/abc186/tasks/abc186_a
// Time: O(1); extra space: O(1).
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>

void solve() {
    long long n,w;
    std::cin>>n>>w;
    std::cout<<(n/w)<<'\n';
}
int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    solve();
}