#include <iostream>
using namespace std;

int main()
{
	int L, M, N;
	while( cin >> L >> M >> N ){
		int a, c = 0;
		a = ( L * 100 + M * 25 + N * 1 ) % 1000;
		c = a / 100;
		a %= 100;
		c += a / 25;
		a %= 25;
		c += a;
		cout << c << endl;
	}
	return 0;
}