public static void Main()
Console.WriteLine("Array 1");
int[] arr1=new int[6]{7,6,9,2,4,9};
Console.Write(s.ToString());
Console.WriteLine("\n Enter a number");
int n=Int32.Parse(Console.ReadLine());
for(int i=0;i<arr1.Length-1;i++)
int loc=Array.FindLastIndex(arr1,item=> item==n);
Console.WriteLine("{0} founnd in {1} position",n,loc);
Console.WriteLine("{0} not found in array",n);