#include <iostream>

using namespace std;

int main() {
    int L, M, N; //L:100, M:25, N: 1
    cin>>L>>M>>N;
    while(N>=25){
        M += 1;
        N -= 25;
    }
    while(M>=4){
        L += 1;
        M -= 4;
    }
    while(L>=10){
        L -= 10;
    }
    cout << L+M+N << endl;
    return 0;
}