#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("fructe.in");
ofstream fout("fructe.out");

int main() {
	int t, p ,b;
	fin >> t >> p >> b;
	for(int i=1;i<=t;i++){
		fin >> p >> b;
	}
	if(b%2!=0) fout << 1;
	else fout << 0;
	
return 0;
}