Zero Subset

/* We are given 5 integer numbers.
 * Write a program that finds all subsets of these numbers whose sum is 0.
 * Assume that repeating the same subset several times is not a problem. */

import java.util.Scanner;

public class ZeroSubset {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner scan = new Scanner(System.in);
        System.out.print("Enter a 5 Integer numbers: ");
        int num1 = scan.nextInt();
        int num2 = scan.nextInt();
        int num3 = scan.nextInt();
        int num4 = scan.nextInt();
        int num5 = scan.nextInt();
        scan.close();

        boolean foundZeroSubset = false;
        if (num1 + num2 + num3 + num4 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d + %d + %d = 0\n", num1, num2, num3, num4, num5);
        }

        if (num1 + num2 + num3 + num4 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d + %d = 0\n", num1, num2, num3, num4);
        }

        if (num1 + num2 + num3 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d + %d = 0\n", num1, num2, num3, num5);
        }

        if (num1 + num2 + num4 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d + %d = 0\n", num1, num2, num4, num5);
        }

        if (num1 + num3 + num4 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d + %d = 0\n", num1, num3, num4, num5);
        }

        if (num2 + num3 + num4 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d + %d = 0\n", num2, num3, num4, num5);
        }

        if (num1 + num2 + num3 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d = 0\n", num1, num2, num3);
        }

        if (num1 + num2 + num4 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d = 0\n", num1, num2, num4);
        }

        if (num1 + num2 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d = 0\n", num1, num2, num5);
        }

        if (num1 + num3 + num4 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d = 0\n", num1, num3, num4);
        }

        if (num1 + num3 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d = 0\n", num1, num3, num5);
        }

        if (num1 + num4 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d = 0\n", num1, num4, num5);
        }

        if (num2 + num3 + num4 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d = 0\n", num2, num3, num4);
        }

        if (num2 + num3 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d = 0\n", num2, num3, num5);
        }

        if (num2 + num4 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d = 0\n", num2, num4, num5);
        }

        if (num3 + num4 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d + %d = 0\n", num3, num4, num5);
        }

        if (num1 + num2 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d = 0\n", num1, num2);
        }

        if (num1 + num3 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d = 0\n", num1, num3);
        }

        if (num1 + num4 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d = 0\n", num1, num4);
        }

        if (num1 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d = 0\n", num1, num5);
        }

        if (num2 + num3 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d = 0\n", num2, num3);
        }

        if (num2 + num4 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d = 0\n", num2, num4);
        }

        if (num2 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d = 0\n", num2, num5);
        }

        if (num3 + num4 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d = 0\n", num3, num4);
        }

        if (num3 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d = 0\n", num3, num5);
        }

        if (num4 + num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d + %d = 0\n", num4, num5);
        }

        if (num1 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d\n", num1);
        }

        if (num2 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d\n", num2);
        }

        if (num3 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d\n", num3);
        }

        if (num4 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d\n", num4);
        }

        if (num5 == 0) {
            foundZeroSubset = true;
            System.out.printf("%d\n", num5);
        }

        if (!foundZeroSubset) {
            System.out.println("No Zero Subset!");
        }
    }

}