/*
* Write a function to find the max sum of two numbers from a list of numbers
* eg1: [1,2,3,4,5] => 9
* eg2: [10,30 ,20,-5, 5] => 50
*/
import java.io.*;
public class Test
{
    public static void main(String args[])
    {
        int numberArray[] = new a[1,2,3,4,5];
        int result=sumofMaxTwoNumbers(numberArray);
        System.out.println("The maximum sum of two numbers is: " + result);
    }

    public static int sumOfMaxTwoNumbers(int input[])
    {
         if(input==null)
         {
             return 0;
         }

        if(input.length==0)
        {
            return 0;
        }
        int maxNumber=input[0];
        int secondMaxNumber=0;
        for(int i=0;i<input.length-1;i++)
        {
            if(input[i+1]>maxNumber)
            {
                maxNumber=input[i+1];
            }
        }
        if(input[0]==maxNumber)
        {
            secondMaxNumber=input[1];
        }
        else
        {
            secondMaxNumber=input[0];
        }

        for(int j=0;j<input.length-1;j++)
        {
            if((input[j]!=maxNumber)&&((input[j]>secondMaxNumber))
            {
                secondMaxNumber=input[j];
            }
        }
        return maxNumber+secondMaxNumber;
    }