#include<iostream>
#include<string>
#include<iomanip>
#include<cmath>
#include<vector>
#include<algorithm>

using namespace std;

#define int long long
// #define int __int128
#define endl "\n"

constexpr long long INF = (long long)1e18;
constexpr long long MOD = 1'000'000'007; 

string yn(bool f){return f?"Yes":"No";}
string YN(bool f){return f?"YES":"NO";}



signed main(){
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	cout<<fixed<<setprecision(10);
	
	long long M;
	int ans = 1;
	
	cin>>M;
	
	for(int i = 0; i < 128; i++){
		ans *= 2;
		ans %= M;
	}
	
	cout<<ans<<endl;
	
	return 0;
}