#include <bits/stdc++.h>
using namespace std;

#define dump(x) cout << (x) << '\n'
#define Int int64_t
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()

Int INF = 1e18;
int inf = 1e9;
Int mod = 1e9+7;

int main() {
    Int l, m, n;
    cin >> l >> m >> n;
    Int sum = l * 100 + m * 25 + n;
    Int res = 0;
    sum %= 1000;
    res += sum / 100;
    sum %= 100;
    res += sum / 25;
    sum %= 25;
    dump(res + sum);
    return 0;
}