use std::io::Read;

fn gen_p_nums(limit: usize) -> Vec<usize> {
    let mut is_prime: Vec<bool> = vec![true; limit+1];
    is_prime[0] = false;
    is_prime[1] = false;
    let thresh: usize = (limit as f64).sqrt() as usize;

    for num in 2..=thresh {
        if is_prime[num] {
            let mut idx: usize = num+num;
            while idx <= limit {
                is_prime[idx] = false;
                idx += num;
            }
        }
    }

    is_prime.into_iter()
        .enumerate()
        .filter_map(|(n, is_p)| {
            if is_p {
                Some(n)
            } else {
                None
            }
        })
        .collect()
}

fn main() {
    let mut buf = String::new();
    std::io::stdin().read_to_string(&mut buf).unwrap();
    
    let n: usize = buf.trim().parse().unwrap();
    
    let primes: Vec<usize> = gen_p_nums(n);
    let mut can_win: Vec<bool> = vec![false; n+1];
    
    for num in 2..=n {
        for i in 0..primes.len() {
            let next_num: usize = num.saturating_sub(primes[i]);
            if next_num <= 1 {
                break
            }
            if !can_win[next_num] {
                can_win[num] = true;
            }
        }
    }
    
    println!("{}", if can_win[n] {"Win"} else {"Lose"});
}