Pythagorean Numbers

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package PythagoreanNumbers;

import java.util.Scanner;

/**
 *
 * @author pc6
 */
public class PytagoreanNumbers {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        int[] arr = new int[n];

        for (int i = 0; i < n; i++) {
            arr[i] = input.nextInt();
        }

//        for (int i = 0; i < arr.length; i++) {
//            System.out.print(arr[i] + " ");
//        }
//        System.out.println();
        boolean isPit = false;
        for (int a = 0; a < arr.length; a++) {
            int aa = arr[a] * arr[a];
            for (int b = 0; b < arr.length; b++) {
                int bb = arr[b] * arr[b];
                for (int c = 0; c < arr.length; c++) {
                    int cc = arr[c] * arr[c];
                    if (aa + bb == cc) {
                        if (aa + bb == cc) {
                            System.out.println(arr[a] + "*" + arr[a] + " + " + arr[b] + "*" + arr[b] + " = " + arr[c] + "*" + arr[c]);
                            isPit = true;
                        }
                    }
                }
            }
        }
        if (!isPit) {
            System.out.println("No");
        }
    }
}