text: #include <bits/stdc++.h>
  
  using namespace std;
  
  int lowestTriangle(int base, int area){
      int h = 1;
      while((h*base)/2 < area){
          h++;
      }
      return h;
  }
  
  int main() {
      int base;
      int area;
      cin >> base >> area;
      int height = lowestTriangle(base, area);
      cout << height << endl;
      return 0;
  }
  