#include <bits/stdc++.h>

using namespace std;

int main() {
    int w;
    double d;
    
    cin >> w >> d;
    
    for (int i = d; i > 1; i--) {
        w -= floor(w / pow(i, 2));
    }
    
    cout << w << endl;
    
    return 0;
}