import java.io.BufferedReader;
	import java.io.IOException;
	import java.io.InputStreamReader;
	import java.util.ArrayList;
	import java.util.HashSet;
	import java.util.List;

	public class Main {

		public static void main(String[] args) {
			try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
				String input;
				while ((input = br.readLine()) != null) {
					if (input.equalsIgnoreCase("exit"))
						return;
					long startNano = System.nanoTime();
					brute(input);
					long endNano = System.nanoTime();
					long diff = endNano - startNano;
					long diffMilli = diff / 1000000;
					System.out.println("Time: " + diffMilli + " ms");
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}

		/**
		 * Method inputs all integers into a hashset, and then sums two integers
		 * and checks for the negation in the set.
		 * @param input
		 */
		private static void brute(String input) {
			List<Triplet> list = new ArrayList<Triplet>();
			String[] nums = input.split("\\s");
			int[] array = new int[nums.length];
			int index = 0;
			HashSet<Integer> set = new HashSet<Integer>();
			for (String s : nums) {
				int num = Integer.parseInt(s);
				set.add(num);
				array[index] = num;
				index++;
			}
			
			int i, j, size = array.length;
			for (i = 0; i < size - 1; i++) {
				for (j = i + 1; j < size; j++) {
					if (set.contains(-(array[i] + array[j]))) {
						Triplet t = new Triplet(array[i], array[j], -(array[i] + array[j]));
						if (list.contains(t)) {
							continue;
						}
						list.add(t);
						System.out.printf("%d %d %d\n", array[i], array[j], -(array[i] + array[j]));
					}
				}
			}
		}

		public static class Triplet {
			private int x, y, z;
			
			public Triplet(int x, int y, int z) {
				this.x = x;
				this.y = y;
				this.z = z;
			}

			@Override
			public int hashCode() {
				final int prime = 31;
				int result = 1;
				result = prime * result;
				result = prime * result + x;
				result = prime * result + y;
				result = prime * result + z;
				return result;
			}

			@Override
			public boolean equals(Object obj) {
				if (this == obj)
					return true;
				if (obj == null)
					return false;
				if (getClass() != obj.getClass())
					return false;
				Triplet other = (Triplet) obj;
				if (x != other.x)
					return false;
				if (y != other.y)
					return false;
				if (z != other.z)
					return false;
				return true;
			}
			
		}
	}