extern mod extra;
extern mod std;

type Substr = (uint, uint);

fn sumsequence (s: &str, start: uint) -> ~[Substr] {
	let mut acc = ~[];
	let mut sum = 0;

	for i in range(start, s.len()) {
		let val = from_str(s.slice(i,i+1)).unwrap();

		if sum == val {
			acc.push((start, i+1));
		}
		sum += val;
		if sum > 9 {
			break;
		}
	}

	acc
}

fn main () {
	//let s = "87456481848451713265785181841515124617521496471297469154148163548464541124";
	let s = std::io::stdin().read_to_str();
	let mut all_results = ~[];
	
	for i in range(0, s.len()) {
		let clone = s.clone();
		let result = do extra::future::Future::spawn { sumsequence(clone, i) };
		all_results.push(result);
	}
	for results in all_results.mut_iter() {
		for r in results.get_ref().iter() {
			let &(start, end) = r;
			println(s.slice(start, end));
		}
	}
}