use std::collections::VecDeque;
use std::io::{self, BufRead};

fn main() {
    // Read input
    let stdin = io::stdin();
    let mut iterator = stdin.lock().lines();
    let mut A = Vec::new();
    for _ in 0..6 {
        A.push(iterator.next().unwrap().unwrap().parse::<i32>().unwrap());
    }

    // Generate U array
    let U: Vec<i32> = (0..6).map(|i| 10i32.pow(i)).collect();

    // Function to calculate the result
    fn calc(x: i32, y: i32, U: &Vec<i32>) -> i32 {
        let mut ANS = 0;
        for &i in U.iter() {
            ANS += ((x / i + y / i) % 10) * i;
        }
        ANS
    }

    // DP array
    let mut DP = vec![0; 1_000_000];
    DP[0] = 1;
    let mut Q = VecDeque::new();
    Q.push_back(0);

    // Process the queue
    while let Some(x) = Q.pop_front() {
        for &a in A.iter() {
            let to = calc(a, x, &U);
            if DP[to as usize] == 0 {
                DP[to as usize] = 1;
                Q.push_back(to);
            }
        }
    }

    // Sum the DP array
    let result: i32 = DP.iter().sum();
    println!("{}", result);
}