use std::cmp::{max, min};

fn main() {
    let mut abc = String::new();
    std::io::stdin().read_line(&mut abc).ok();
    let abc: Vec<u128> = abc.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let a = abc[0];
    let b = abc[1];
    let c = abc[2];

    if a == b || b == c || c == a {
        println!("0");
    } else if b == min(a, min(b, c)) || b == max(a, max(b, c)) {
        println!("INF");
    } else {
        let mut count = 0;
        for i in 3..=1001 {
            let moda = a % i;
            let modb = b % i;
            let modc = c % i;
            if moda == modb || modb == modc || modc == moda { continue; }
            if modb == min(moda, min(modb, modc)) || modb == max(moda, max(modb, modc)) {
                count += 1;
            }
        }
        println!("{}", count);
    }
}