use std::{collections::HashMap, io}; fn main() { let mut map = HashMap::new(); let n = read_line().parse::().unwrap(); for i in 0..n { let s = read_line(); *map.entry(s).or_insert(0) += (i + 1) * (n - i); } let mut entries = map.iter().collect::>(); entries.sort_by_key(|t| t.0); for (k, v) in entries { println!("{} {}", v, k) } } fn read_line() -> String { let mut line = String::new(); io::stdin().read_line(&mut line).unwrap(); line.trim().to_string() }