#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define fr(i, a, b) for (int i = (a); i < (b); i++)
#define all(c) (c).begin(), (c).end()
using namespace std;
typedef long long ll;
const ll inf = 1e9;
const ll mod = 1e9 + 7;

int main() {
    int a[] = {2,3,5,7,11,13};
    int b[] = {4,6,8,9,10,12};

    double ans = 0;
    int P, C;
    cin >> P >> C;

    double ea = 0;
    double eb = 0;

    rep (i, 6) {
        ea += a[i];
        eb += b[i];
    }

    ea /= 6;
    eb /= 6;

    ea = pow(ea, P);
    eb = pow(eb, C);

    ans = ea * eb;

    printf("%.15f\n", ans);
}