func_code_string: #include <bits/stdc++.h>   using namespace std;   int a[8];   int main() {     int n, m;     cin >> n >> m;     int xx = n;     int kk = m;     int ans = 0;     int len1 = 1, len2 = 1;     for (int b = 7; b < n; b *= 7) len1++;     for (int b = 7; b < m; b *= 7) len2++;     if (len2 + len1 > 7) {       cout << 0;       return 0;     }     for (int i = 0; i < n; i++) {       for (int j = 0; j < m; j++) {         for (int z = i, f = 0; f != len1; f++, z /= 7) {           int x = z % 7;           a[x]++;         }         for (int z = j, f = 0; f != len2; f++, z /= 7) {           int x = z % 7;           a[x]++;         }         bool ok = false;         for (int d = 0; d < 8; d++)           if (a[d] > 1) ok = true;         if (ok == false) ans++;         for (int d = 0; d < 8; d++) a[d] = 0;       }     }     cout << ans;   }   