#include<iostream>
using namespace std;

int main(void)
{
	int sum = 0,l, m, n;
	cin >> l >> m >> n;
	while (n > 24){
		n -= 25;
		m++;
	}
	while (m > 3) {
		m -= 4;
		l++;
	}
	while (l > 9) {
		l -= 10;
	}
	sum = l + m + n;

	cout << sum;

	return 0;
}