use std::io::Read;

fn run() {
    let mut s = String::new();
    std::io::stdin().read_to_string(&mut s).unwrap();
    let mut it = s.trim().split_whitespace();
    it.next();
    for x in it.map(|s| s.parse::<usize>().unwrap()) {
        if x == 0 || x == 30 {
            println!("Y");
        } else {
            println!("N");
        }
    }
}

fn main() {
    run();
}