using System;
public class Program
{
public static void Main()
int[] arr1 = { 5,3,7,9,2,1,8,4,10 };
int[] arr2 = { 4,1,9,8 };
//find combination of {1,8} from two arrays
//1 from array1
//8 from array2
//output: {arry1:5. arr2:3"}
Console.WriteLine("output");
}