#include <bits/stdc++.h>
using namespace std;
int main(){
  cout << fixed << setprecision(20);
  int P, C;
  cin >> P >> C;
  cout << pow((double)(2 + 3 + 5 + 7 + 11 + 13) / 6, P) * pow((double)(4 + 6 + 8 + 9 + 10 + 12) / 6, C) << endl;
}