use proconio::input;

fn main() {
	input! {
		l: usize,
		m: usize,
		n: usize,
	}

    let mut n = n;
    let mut m = m;
    let mut l = l;

    m += n / 25;
    n %= 25;

    l += m / 4;
    m %= 4;

    l %= 10;

    println!("{}", n + m + l);
}