31

#include "stdafx.h"
#include <iostream>
using namespace std;
int main()
{
	int a, k = 0, l = 0;
	do {
		cin >> a;
		if (a == 31) {
			l++;
			if (k < l)
				k = l;
		}
		else
			l = 0;
	} while (a != 0);
	cout << "Answer: " << k;
	system("pause");
    return 0;
}