#include <iostream>
using namespace std; 
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main() {
	int l,m,n;
	int x=0,y=0,z=0;
	cin>>l>>m>>n;
	
	x = l%25;
	
	y = (m + l / 25) %4;
	
	z = (n + (m+l/25)/4) %10;
	
	cout<<x+y+z<<endl;
	return 0;
}