import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner sc=new Scanner(System.in);
        while(sc.hasNext()){
        	int l=sc.nextInt();
        	int m=sc.nextInt();
        	int n=sc.nextInt();
        	int sum=l*100+m*25+n;
        	sum%=1000;
        	l=sum/100;
        	m=(sum%100)/25;
        	n=sum-l*100-m*25;
        	System.out.println(l+m+n);
        }
    }
}