import java.io.*;

class NumberOps0
{

 public static int[] readall(int n,BufferedReader reader)
 throws IOException
 // Create an array of n integers, read them from reader
 {
  int count;
  int [] a = new int[n];
  for(count=0; count<n; count++)
     {
      System.out.print("Enter number "+(count+1)+": ");
      a[count]=Text.readInt(reader);
     }
  return a;
 }

 public static void printall(int [] a)
 // Print the contents of array a
 {
  int i;
  for(i=0; i<a.length; i++)
     System.out.print(a[i]+" ");
  System.out.println();
 }
 
 public static int biggest(int [] a)
 // return the biggest number in array a
 {
  int i,current=a[0];
  for(i=1; i<a.length; i++)
     if(a[i]>current)
        current=a[i];
  return current;
 }

 public static int smallest(int [] a)
 // return the smallest number in array a
 {
  int i,current=a[0];
  for(i=1; i<a.length; i++)
     if(a[i]<current)
        current=a[i];
  return current;
 }

 public static double average(int [] a)
 // return the average of the numbers in array a
 {
  int i,sum=0;
  for(i=0; i<a.length; i++)
     sum+=a[i];
  return (double)sum/a.length;
 }

}