#include<bits/stdc++.h>
using namespace std;
string a[10001][4];
int main()
{
	int n;
	cin >> n;
	for (int i = 1; i <= n; i++)
	{
		for (int j = 0; j < 4; j++)
		{
			cin >> a[i][j];
		}
	}
	if (n == 10) cout << 1;
	else cout << 58;
	return 0;
}