#include <iostream>
using namespace std;
#include <cstdio>
#include <string.h>
#include <stdlib.h>
#include <math.h>

#define FOR(i,a,b) for(int (i)=(a);i<(b);i++)

typedef long long ll;
typedef unsigned long long ull;
typedef long double lb;

/* ここからが本編 */


int main(void)
{
   int i,j,k,l;
   int p,c;
   long double a,b,ans=1;
   a = (long double)(2+3+5+7+11+13)/6;
   b = (long double)(4+6+8+9+10+12)/6;

   cin >> p >> c;
   FOR(i,0,p) ans *= a;
   FOR(i,0,c) ans *= b;
   printf("%llf\n",ans);
   return 0;
}