#include <iostream>
#include <algorithm>
#include <string>
#include <cmath>

using namespace std;

int main()
{
    int L, M, N;
    cin >> L >> M >> N;
    
    int sum = L * 100 + M * 25 + N * 1;
    sum %= 1000;
    L = sum / 100;
    sum %= 100;
    M = sum / 25;
    sum %= 25;
    N = sum;


    cout << L + M + N << endl;
}