#[macro_export] macro_rules! setup { { mut $input:ident: SplitWhitespace $(,)? } => { use std::io::Read; let mut buf = String::new(); std::io::stdin().read_to_string(&mut buf).unwrap(); let mut $input = buf.split_whitespace(); }; } #[macro_export] macro_rules! parse_next { ($str_iter:expr) => { $str_iter.next().unwrap().parse().unwrap() }; } fn main() { setup! { mut input: SplitWhitespace }; let mut a: Vec = (0..5).map(|_| parse_next!(input)).collect(); a.sort(); let mut cards = vec![0; 13]; a.iter().for_each(|&i| cards[i - 1] += 1); cards = cards.into_iter().filter(|&count| count != 0).collect(); cards.sort(); let ans = match cards.len() { 1 => "NO HAND", 2 => match (cards[0], cards[1]) { (1, 4) => "NO HAND", (2, 3) => "FULL HOUSE", _ => unreachable!(), }, 3 => match (cards[0], cards[1], cards[2]) { (1, 1, 3) => "THREE CARD", (1, 2, 2) => "TWO PAIR", _ => unreachable!(), }, 4 => match (cards[0], cards[1], cards[2], cards[3]) { (1, 1, 1, 2) => "ONE PAIR", _ => unreachable!(), }, 5 => "NO HAND", _ => unreachable!(), }; println!("{}", ans); }