#include <bits/stdc++.h>   using namespace std;   int n, f, m, k, l, g, i, h, a, b, j, a1, b1, c1, c, x, y, q, w, e, r, t, d[15];   int main() {     cin >> n;     d[0] = 2;     d[1] = 7;     d[2] = 2;     d[3] = 3;     d[4] = 3;     d[5] = 4;     d[6] = 2;     d[7] = 5;     d[8] = 1;     d[9] = 2;     a = n / 10;     b = n % 10;     cout << d[a] * d[b];   }   