func_code_string: #include <bits/stdc++.h>   using namespace std;   long long t, n;   long long qpow(long long a, long long b) {     long long x = 1, base = a;     while (b) {       if (b & 1) {         x = (x * base) % 1000000007;       }       base = (base * base) % 1000000007;       b >>= 1;     }     return x % 1000000007;   }   int main() {     ios::sync_with_stdio(0);     cin >> n;     long long ans = (qpow(4, ((1ll << n) - 2)) * 6) % 1000000007;     cout << ans << endl;   }   