#include <bits/stdc++.h>

#define foreach(i, v) for(__typeof((v).begin()) i = (v).begin(); i != (v).end(); ++ i)
#define BETWEEN(a, x, b) (a<=x&&x<b)

using namespace std;
typedef long long ll;

int main(int argc, char *argv[]) {
  ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.tie(nullptr);

  int l,m,n;
  cin>>l>>m>>n;
  int sum = l*100+m*25+n;
  sum %= 1000;
  int t = sum / 100;
  sum %= 100;
  t += sum / 25;
  sum %= 25;
  t += sum;
  cout<<t<<endl;

  return 0;
}