import java.util.Scanner;
import java.util.Random;
import java.util.Arrays;


class exercice {
	public static void main(String[] args) {

		int arr[] = {1,2,3,3,2,4};

		arr = check(arr);

		for (int i = 0; i < arr.length ; i++ ) {
			System.out.print(arr[i] + " ");
		}

	}
	public static int[] check(int[] arr1) {

		int newArr[] = new int[arr1.length];
		int index = 0;


		for (int i = 0; i < arr1.length ; i++ ) {

			for (int j = i + 1 ; j < arr1.length - 1; j++ ) {
				if (arr1[i] == arr1[j]) {
					System.out.println("Found it");
					arr1[i] = 0;
				}
				
			}
			if (arr1[i] != 0) {
				newArr[index] = arr1[i];
					index++;
			}
			
		}
		return newArr;
	}
}