#[allow(unused_imports)]
use proconio::{
    input,
    marker::{Bytes, Chars, Usize1},
};
fn main() {
    input! {
        n: usize,
        s: [Chars; n]
    }
    let cnt = s[0].iter().filter(|&&x| x == '#').count();
    let res = if cnt == n / 11 * 7 { "KCPC" } else { "KUPC" };
    println!("{}", res);
}