using System;

public class Program

{

    public static void Main()

    {

        int[] arr = new int[]{0, 1, 0, 3, 12};

        MoveZeroes(arr);

        Console.Write("[");

        foreach(int i in arr)

        {

            Console.Write(i+" ");

        }

        Console.Write("]");

    }

    public static void MoveZeroes(int[] nums) {

        if(nums.Length == 0) return;

        int zeroIdx = 0;

        for(int i=0; i<nums.Length; i++)

        {

            if(nums[i] > 0 || nums[i] < 0)

            {

                nums[zeroIdx++] = nums[i];

            }

        }

        while(zeroIdx < nums.Length)

            nums[zeroIdx++] = 0;

    }

}