using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        //Find the maximum consecutive 1’s in an array of 0’s and 1’s. 

        //Input: 00110001001110 Output:     3 (max num of 1s together is 3)

        //Input: 1000010001     Output:     1

        var input = new int[0,0,1,1,0,0,0,1,0,0,1,1,1,0];

        consecutiveNumber(input);

    }

    public int consecutiveNumber(int[] input)

    {

        int oneNumber=0;

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

        {

            if(input[i]==1 && oneNumber >= 0)

            {

                oneNumber +=1;

            }

            else

            {

              oneNumber = 0;

            }

        }

        return oneNumber;

    }

}