#include using namespace std; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define INF32 2147483647 #define ALL(x) x.begin(), x.end() vector ddx = {0, 1, 0, -1, 1, 1, -1, -1}; vector ddy = {1, 0, -1, 0, 1, -1, -1, 1}; ll pow(ll a,ll n,ll mod){ ll ret = 1; while(n > 0) { if(n & 1) ret = ret * a % mod; a = a * a % mod; n >>= 1; } return ret; } int main() { ll a,n;cin>>a>>n; ll mod = 1000000007; cout<< mod <