#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <algorithm>
#include <cmath>
//---------------------------
using namespace std;
//---------------------------
#define REP(i,n) for(int i = 0; i < (n); i++)
#define P(x) cout << (x) << "\n"
//---------------------------


int main(){
  std::ios::sync_with_stdio(false);
  std::cin.tie(0);



  int w,d;cin >> w >> d;

  for (int i = d; i > 1; i--) {
    w = w - floor(w / pow(i,2));
  }
  P(w);

  return 0;
}