use std::{collections::HashMap, io::Read};

fn main() {
	let mut s = String::new();
	std::io::stdin().read_to_string(&mut s).ok();
	let s: Vec<_> = s.lines().skip(1).collect();
	let mut h = HashMap::new();
	s.chunks(3).for_each(|s| {
		let n: Vec<i32> =
			s[1].split_whitespace().flat_map(str::parse).collect();
		s[2].split_whitespace().for_each(|t| {
			*h.entry(t).or_insert(0) += n[1];
		});
	});
	let mut a: Vec<_> = h.iter().map(|(k, v)| (-v, k)).collect();
	a.sort();
	(0..10.min(a.len())).for_each(|i| println!("{} {}", a[i].1, -a[i].0));
}