#include <cstdlib>
#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <stack>
#include <queue>
#include <cmath>
#define rep(i,n) for (int i=0;i<(n);i++)
#define debug(x) cout<<#x<<": "<<x<<endl

using namespace std;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    int w = 0, d = 0;
    cin >> w >> d;
    
    for (int i = d; i > 1; i--){
           w -= w / (i * i);       
    }
    
    cout << w << endl;
    system("PAUSE");
    return EXIT_SUCCESS;
}