#include "bits/stdc++.h"
using namespace std;
using Graph = vector<vector<int>>;
typedef long long ll;
typedef pair<ll, ll> P;
#define rep(i,n) for (ll i = 0; i < (n); ++i)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
const long long mod = 1e9 + 7;

ll gcd(ll a, ll b) {
	return b ? gcd(b, a % b) : a;
}

ll lcm(ll a, ll b) {
	return a / gcd(a, b) * b;
}

int main() {
	ll l, m, n;
	cin >> l >> m >> n;
	
	m += n/25;
	n %= 25;
	m *= 25;
	l += m /100;
	m %= 100;
	l *= 100;

	l %= 1000;

	ll ans = (l/100) + (m/25) + n;
	
	cout << ans << endl;
}