#include <iostream>
using namespace std;
int main(int argc, char* argv[])
{
	int N;
	cin>>N;
	int A;
	int i;
	for (i=0;i<N;i++){
		cin>>A;
	}
	if (N%2==0){
		cout<<0<<endl;
	}else{
		cout<<1<<endl;
	}

	return 0;
}