// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 macro_rules! input { (source = $s:expr, $($r:tt)*) => { let mut iter = $s.split_whitespace(); input_inner!{iter, $($r)*} }; ($($r:tt)*) => { let s = { use std::io::Read; let mut s = String::new(); std::io::stdin().read_to_string(&mut s).unwrap(); s }; let mut iter = s.split_whitespace(); input_inner!{iter, $($r)*} }; } macro_rules! input_inner { ($iter:expr) => {}; ($iter:expr, ) => {}; ($iter:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($iter, $t); input_inner!{$iter $($r)*} }; } macro_rules! read_value { ($iter:expr, ( $($t:tt),* )) => { ( $(read_value!($iter, $t)),* ) }; ($iter:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($iter, $t)).collect::>() }; ($iter:expr, chars) => { read_value!($iter, String).chars().collect::>() }; ($iter:expr, usize1) => { read_value!($iter, usize) - 1 }; ($iter:expr, $t:ty) => { $iter.next().unwrap().parse::<$t>().expect("Parse error") }; } type Output = Vec; fn main() { for _ in 0..1000 { if let Some(input) = read_input() { println!("S"); } } } fn read_input() -> Option { let mut n = String::new(); std::io::stdin().read_line(&mut n).unwrap(); if n == "-1" { return None; } let n = n.trim().parse::().unwrap(); let mut es = vec![]; for _ in 0..n { let mut line = String::new(); std::io::stdin().read_line(&mut line).unwrap(); let mut tokens = line.split_whitespace(); let h = tokens.next().unwrap().parse::().unwrap(); let p = tokens.next().unwrap().parse::().unwrap(); let x = tokens.next().unwrap().parse::().unwrap(); es.push((h, p, x)); } Some(Input { n, es }) } #[derive(Debug)] struct Input { n: usize, es: Vec<(usize, usize, usize)>, }