#include <iostream>
using namespace std;
string b[10000][4];
int n;
int a=1;
int main(){
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>b[i][0]>>b[i][1]>>b[i][2]>>b[i][3];}
	cout<<a;
	return 0;
}