import java.util.Arrays;
import java.util.Scanner;
public class sort{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
		int i = sc.nextInt();
		int j = sc.nextInt();
		int k = sc.nextInt();
		int j_kuriage = 0;
		int k_kuriage= 0;
		int i_total = 0;
		int j_total = 0;
		int k_total = 0;
		k_kuriage = k/25;
		k_total = k%25;
		j_kuriage = (j + k_kuriage)/4;
		j_total = (j + k_kuriage)%4;
		i_total = (i + j_kuriage)%10;
		System.out.println(i_total+j_total+k_total);
        sc.close();
    }
}