#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a;
	cin>>a;
	if(a%2==0) cout<<0;
	else cout<<1;
	return 0;
}

#include<bits/stdc++.h> using namespace std; int main() { int a; cin>>a; if(a%2==0) cout<<0; else cout<<1; return 0; }