using System; public class ZeroSumCombinations { public static void Main() { int a = 2, b = -2, c = 3, d = -3, e = 4; // Example input // Pairs if (a + b == 0) Console.WriteLine($"Pair: {a}, {b}"); if (a + c == 0) Console.WriteLine($"Pair: {a}, {c}"); if (a + d == 0) Console.WriteLine($"Pair: {a}, {d}"); if (a + e == 0) Console.WriteLine($"Pair: {a}, {e}"); if (b + c == 0) Console.WriteLine($"Pair: {b}, {c}"); if (b + d == 0) Console.WriteLine($"Pair: {b}, {d}"); if (b + e == 0) Console.WriteLine($"Pair: {b}, {e}"); if (c + d == 0) Console.WriteLine($"Pair: {c}, {d}"); if (c + e == 0) Console.WriteLine($"Pair: {c}, {e}"); if (d + e == 0) Console.WriteLine($"Pair: {d}, {e}"); // Triples if (a + b + c == 0) Console.WriteLine($"Triple: {a}, {b}, {c}"); if (a + b + d == 0) Console.WriteLine($"Triple: {a}, {b}, {d}"); if (a + b + e == 0) Console.WriteLine($"Triple: {a}, {b}, {e}"); if (a + c + d == 0) Console.WriteLine($"Triple: {a}, {c}, {d}"); if (a + c + e == 0) Console.WriteLine($"Triple: {a}, {c}, {e}"); if (a + d + e == 0) Console.WriteLine($"Triple: {a}, {d}, {e}"); if (b + c + d == 0) Console.WriteLine($"Triple: {b}, {c}, {d}"); if (b + c + e == 0) Console.WriteLine($"Triple: {b}, {c}, {e}"); if (b + d + e == 0) Console.WriteLine($"Triple: {b}, {d}, {e}"); if (c + d + e == 0) Console.WriteLine($"Triple: {c}, {d}, {e}"); // Quadruples if (a + b + c + d == 0) Console.WriteLine($"Quadruple: {a}, {b}, {c}, {d}"); if (a + b + c + e == 0) Console.WriteLine($"Quadruple: {a}, {b}, {c}, {e}"); if (a + b + d + e == 0) Console.WriteLine($"Quadruple: {a}, {b}, {d}, {e}"); if (a + c + d + e == 0) Console.WriteLine($"Quadruple: {a}, {c}, {d}, {e}"); if (b + c + d + e == 0) Console.WriteLine($"Quadruple: {b}, {c}, {d}, {e}"); // Quintuples if (a + b + c + d + e == 0) Console.WriteLine($"Quintuple: {a}, {b}, {c}, {d}, {e}"); } }