using System;

public class Program

{

    public static void Main()

    {

        var maxnunm = Findthemaxcons(int[] array); 

    }

    Public int Findthemaxcons(){

        var n = 0;

        var maxnum = 0;

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

                if ( array[i] == 1){

                    n++;

                    maxnum = n;

                }

                else{

                    n = 0;

                }

            }

        return maxnum;

        }

}