#include<iostream>
#include<stdio.h>
#include<algorithm>
#include<vector>
#include<string.h>
#include<math.h>
#include<map>
#include<iomanip>
#include<queue>

const long long INF = 1e6+7;
const long long MOD = 1e9+7;
const double PI=acos(-1);

using namespace std;

int main(){
	long long m;
	cin >> m;
	unsigned long long sum=1;
	for(int i=0;i<128;i++){
		sum*=2%m;
		sum%=m;
	}
	
	cout << sum << endl;
	return 0;
}