import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import static java.lang.Integer.parseInt;

public class Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String line;

		int[] hills = new int[10001];

		while ((line = br.readLine()) != null && !line.isEmpty()) {
			hills[parseInt(line)]++;
		}

		int count = 0;
		outer:
		for (int i = hills.length - 1; ; i--) {
			if (hills[i] > 0) {
				for (int j = 0; j < hills[i]; j++) {
					System.out.println(i);
					count++;
					if (count == 3) break outer;
				}
			}
		}
	}
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz