import java.io.*;
import java.util.*;
class UserMainCode
{
 public class Result
  {
    public final int output1;
    public final int output2;
public Result(int out1,int out2){
  output1=out1;
  output2=out2;
}}
  public Result findOriginalFirstAndSum(int[] input1,int input2){
int[] arr=new int[input2];
  arr[input2-1]=input1[input2-1];
  int sum=arr[input2-1];
  for(int i=input2-2;i>=0;i--)
        {
   arr[i]=input1[i]-arr[i+1];
   sum+=arr[i];
  }
         Result r1= new Result(arr[0],sum);
   return r1;
  }
    }