#include #include #include #include #include #include #include using namespace std; #define int long long #define endl "\n" constexpr long long INF = 1e18; constexpr long long MOD = 1000000007; struct fast_io { fast_io(){ std::cin.tie(nullptr); std::ios::sync_with_stdio(false); cout<>= 1, x *= x, ans %= MOD, x %= MOD) if(n&1)ans*=x; return ans % MOD; } signed main(){ int a, n; cin>>a>>n; cout<