#include<bits/stdc++.h>

using namespace std;
typedef long long ll;

int main(){
    int L, M, N; cin >> L >> M >> N;
    int n = N % 25;
    int m = (M + N/25) % 4;
    int l = (L + (M + N/25)/4)%10;
    
    cout << l + m + n << endl;
}