use std::io::*;

fn main() {
    let mut s: String = String::new();
    std::io::stdin().read_to_string(&mut s).ok();
    let mut itr = s.trim().split_whitespace();
    let a: Vec<u32> = (0..5)
        .map(|_| itr.next().unwrap().parse().unwrap())
        .collect();

    let mut ans = 0;
    for i in 0..5 {
        let mut n = a[i];
        if n % 3 == 0 && n % 5 == 0 {
            ans += 8;
        } else if n % 3 == 0 || n % 5 == 0 {
            ans += 4;
        } else {
            while n > 0 {
                ans += 1;
                n /= 10;
            }
        }
    }
    println!("{}", ans);
}