#include <bits/stdc++.h>
using namespace std;

int n;
char s[100];

int main() {
	scanf("%d", &n);
	for (int i = 1; i <= n; i++) 
		for (int j = 1; j <= 4; j++)
			scanf("%s", s + 1);
	if (n <= 100)
		printf("1\n");
	else 
		printf("58\n");
	return 0;
}