#include<bits/stdc++.h>
using namespace std;
int n;
string s[11000][7];
int main(){
	cin >> n;
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= 4; j++) cin >> s[i][j];
	}
	
	if(n == 10000) cout << "58";
	else if(n == 10) cout << "1";
	else cout << "2";
	
	return 0;
}