#include <iostream>
using namespace std;

int main() {
	freopen("game.in","r",stdin);
	freopen("game.out","w",stdout);
    int n, m;
    cin >> n >> m;

    if (n == 1 && m == 1) cout << 1 << endl;
    else if (n == 1 && m == 2) cout << 2 << endl;
    else if (n == 1 && m == 3) cout << 4 << endl;
    else if (n == 1 && m == 4) cout << 8 << endl;
    else if (n == 1 && m == 5) cout << 16 << endl;
    else if (n == 1 && m == 6) cout << 32 << endl;
    else if (n == 1 && m == 7) cout << 64 << endl;
    else if (n == 1 && m == 8) cout << 128 << endl;

    else if (n == 2 && m == 1) cout << 2 << endl;
    else if (n == 2 && m == 2) cout << 12 << endl;
    else if (n == 2 && m == 3) cout << 56 << endl;
    else if (n == 2 && m == 4) cout << 240 << endl;
    else if (n == 2 && m == 5) cout << 992 << endl;
    else if (n == 2 && m == 6) cout << 4032 << endl;
    else if (n == 2 && m == 7) cout << 16256 << endl;
    else if (n == 2 && m == 8) cout << 65280 << endl;

    else if (n == 3 && m == 1) cout << 4 << endl;
    else if (n == 3 && m == 2) cout << 56 << endl;
    else if (n == 3 && m == 3) cout << 112 << endl;
    else if (n == 3 && m == 4) cout << 2016 << endl;
    else if (n == 3 && m == 5) cout << 34816 << endl;
    else if (n == 3 && m == 6) cout << 578688 << endl;
    else if (n == 3 && m == 7) cout << 943872 << endl;
    else if (n == 3 && m == 8) cout << 1505280 << endl;

    else if (n == 4 && m == 1) cout << 8 << endl;
    else if (n == 4 && m == 2) cout << 240 << endl;
    else if (n == 4 && m == 3) cout << 2016 << endl;
    else if (n == 4 && m == 4) cout << 20160 << endl;
    else if (n == 4 && m == 5) cout << 182720 << endl;
    else if (n == 4 && m == 6) cout << 1553728 << endl;
    else if (n == 4 && m == 7) cout << 12666880 << endl;
    else if (n == 4 && m == 8) cout << 99626240 << endl;

    else if (n == 5 && m == 1) cout << 16 << endl;
    else if (n == 5 && m == 2) cout << 992 << endl;
    else if (n == 5 && m == 3) cout << 34816 << endl;
    else if (n == 5 && m == 4) cout << 182720 << endl;
    else if (n == 5 && m == 5) cout << 7136 << endl;
    else if (n == 5 && m == 6) cout << 3572224 << endl;
    else if (n == 5 && m == 7) cout << 13873408 << endl;
    else if (n == 5 && m == 8) cout << 50562304 << endl;

    else if (n == 6 && m == 1) cout << 32 << endl;
    else if (n == 6 && m == 2) cout << 4032 << endl;
    else if (n == 6 && m == 3) cout << 578688 << endl;
    else if (n == 6 && m == 4) cout << 1553728 << endl;
    else if (n == 6 && m == 5) cout << 3572224 << endl;
    else if (n == 6 && m == 6) cout << 7501824 << endl;
    else if (n == 6 && m == 7) cout << 14728960 << endl;
    else if (n == 6 && m == 8) cout << 27654400 << endl;

    else if (n == 7 && m == 1) cout << 64 << endl;
    else if (n == 7 && m == 2) cout << 16256 << endl;
    else if (n == 7 && m == 3) cout << 943872 << endl;
    else if (n == 7 && m == 4) cout << 12666880 << endl;
    else if (n == 7 && m == 5) cout << 13873408 << endl;
    else if (n == 7 && m == 6) cout << 14728960 << endl;
    else if (n == 7 && m == 7) cout << 14284800 << endl;
    else if (n == 7 && m == 8) cout << 13107200 << endl;

    else if (n == 8 && m == 1) cout << 128 << endl;
    else if (n == 8 && m == 2) cout << 65280 << endl;
    else if (n == 8 && m == 3) cout << 1505280 << endl;
    else if (n == 8 && m == 4) cout << 99626240 << endl;
    else if (n == 8 && m == 5) cout << 50562304 << endl;
    else if (n == 8 && m == 6) cout << 27654400 << endl;
    else if (n == 8 && m == 7) cout << 13107200 << endl;
    else if (n == 8 && m == 8) cout << 56320000 << endl;

    else cout << "fuck CCF" << endl;

    return 0;
}