func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MOD = 1e9 + 7;   int pwr(int a, long long b) {     int res = 1;     for (; b; b >>= 1) {       if (b & 1) res = 1LL * res * a % MOD;       a = 1LL * a * a % MOD;     }     return res;   }   int T, n;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     T = 1;     while (T--) {       cin >> n;       if (n == 1) return cout << 6 <<   n , 0;       long long x = (1LL << n);       x -= 2;       cout << 1LL * 6 * pwr(4, x) % MOD <<   n ;     }   }   