#![allow(non_snake_case)]

use std::io::{ self, prelude::* };

macro_rules! pick {
    ($tokens:expr) => {
        $tokens.next().unwrap().parse().expect("parse error")
    }
}

fn eratos(N: usize) -> Vec<bool> {
    let mut prime = vec![true; N+1];
    prime[0] = false;
    prime[1] = false;

    for i in 2..=N {
        if !prime[i] { continue; }

        for j in (2*i..).step_by(i) {
            if j > N { break; }
            prime[j] = false;
        }
    }

    prime
}

fn main() {
    let mut s = String::new();
    io::stdin().read_to_string(&mut s).expect("i/o error");
    let mut tokens = s.split_whitespace();

    let N: usize = pick!(tokens);

    let prime = eratos(N);

    let mut win = vec![false; N+1];
    win[0] = true;
    win[1] = true;
    for i in 2..=N {
        for j in 2..i {
            if !prime[j] { continue; }
            if !win[i-j] {
                win[i] = true;
                break;
            }
        }
    }

    let ans = win[N];

    println!("{}", if ans { "Win" } else { "Lose" });
}