/* -*- coding: utf-8 -*-
 *
 * 976.cc:  No.976 2 の 128 乗と M - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int N = 128;

/* typedef */

typedef long long ll;

/* global variables */

/* subroutines */

/* main */

int main() {
  ll m;
  scanf("%lld", &m);

  ll p = 1;
  for (int i = 0; i < N; i++) p = p * 2 % m;

  printf("%lld\n", p);
  return 0;
}