const HOLES: [usize; 10] = [1, 0, 0, 0, 1, 0, 1, 0, 2, 1];
const ZERO: usize = '0' as usize;

fn main() {
    let mut line = String::new();
    std::io::stdin().read_line(&mut line);

    let (mut count, mut extra) = (0, 0);

    for c in line.trim().chars() {
        count += 1;
        extra += HOLES[c as usize - ZERO];
    }

    println!("{}", std::cmp::min(count + 2 * (extra + 1), 2 * count + extra + 1));
}