#include <iostream>
using namespace std;

int main() {
    int L, M, N, O; // L=100, M=25, N=1, O=1000
    cin >> L >> M >> N;
    int tmpM = M;
    int tmpL = L;
    M  = M + N/25;
    L = L + M/4;
    O = L/10;
    int total_coin = N%25 + M%4 + L%10;
    cout << total_coin << endl;
}