import java.util.Scanner; public class Main { public static void main (String[] args) { Scanner sc = new Scanner(System.in); int l = sc.nextInt(); int m = sc.nextInt(); int n = sc.nextInt(); if (l >= 10){ l = l%10; }if (m >= 4){ l += m/4; m = m%4 ; }if (n >= 25){ m += n/25; n = n%25; } System.out.println(l + m + n); } }