#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cmath>
#include <map>
#include <queue>
#include <iomanip>
#include <set>
#include <tuple>
#define mkp make_pair
#define mkt make_tuple
#define rep(i,n) for(int i = 0; i < (n); ++i)
using namespace std;
typedef long long ll;
const ll MOD=1e9+7;


int main(){
  ll M;
  cin>>M;

  ll val=1;
  for(int i=1;i<=128;i++) val=val*2%M;
  cout<<val<<endl;

  return 0;
}