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import java.util.*;
class reverse
{
  public static void main()
  {
    Scanner s=new Scanner(System.in);
    int i;
    int arr[]=new int[10];
    System.out.println("ENTER 10 NOS.");
    for (i=0;i< 10;i++)
    arr[i]=s.nextInt();                //array input loop
    System.out.println("Reversed Array:");
    for (i=9;i>=0;i--)
     System.out.println(arr[i]);        //reversal loop
    for (i=0;i< 10;i++)
     sum=sum+arr[i];                    //summing loop
    System.out.println(sum);
  }
}        
      

import java.util.*;
class rainfall
{
  public static void main()
  {
      Scanner s=new Scanner(System.in);
      double sum=0.0; int i;
      double arr[]=new double[7];
      System.out.println("ENTER THE RAINFALL OF A WEEK");
      for(i=0;i< 7;i++)
      arr[i]=s.nextDouble();
      for(i=0;i< 7;i++)
      sum=sum+arr[i];
      System.out.println("AVERAGE RAINFALL OF A WEEK="+sum/7);
  }
}