#include<iostream>
#include<vector>
#include<string>
#include<math.h>
using namespace std;

typedef long long ll;

int main(){
	ll m;
	cin>>m;
	ll ans=1;
	int i=128;
	while(i--){
		ans*=2;
		ans%=m;
	}
	cout<<ans<<endl;
	return 0;
}