// compile: g++ -o data data.cpp -std=gnu++20 -DLOCAL
// run: ./data
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#ifdef LOCAL
#endif
#define sz(v) ((int)(v).size())
#define PV(v) for (int i=0;i<v.size();++i)cout<<v[i]<<" ";cout<<endl;
#define INTINF 9223372036854775807
#define int long long

using namespace std;

int power(int a, int b, int p) {
    if (b == 1) return a;
    int mid = power(a, b >> 1, p);
    if (b & 1) return (((mid * mid) % p) * a) % p;
    else return (mid * mid) % p;
}

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n; cin >> n;
    cout << power(2, n, 1e9+7) << endl;

    return 0;
}