import java.util.*;
import java.io.*;
public class ArraysEOF {
  
  
  public static void main(String[] args) throws Exception { 
    
    final int MAX_SIZE = 100;
    
    int[] numbers = new int[MAX_SIZE];
    
    Scanner input = new Scanner(new File("inputEOF.txt"));
    
    int n = readData(input, numbers, MAX_SIZE);
    
    print(numbers, n);
    
    double average = findAverage(numbers, n);
    
    System.out.println("The average of the array is "+average);
  }
  
  public static int readData(Scanner input, int[] array, int maxSize) {
   int count=0;
   
   while(input.hasNextInt()) {
     array[count] = input.nextInt();
     count++;
   }
   
   return count;
  }
  
  //[1, 2, 3, 4]
  public static void print(int[] array, int n) {
    System.out.print("[");
    
    for(int i=0; i<n; i++) {
      
       System.out.print(array[i]);
       if(i < n-1){
         System.out.print(", ");
       }
    }
    
    System.out.print("]");
    System.out.println();
  }
  
  public static double findAverage(int[] array, int n) {
    
   int total = 0;
   
   for(int i=0; i<n; i++) {
     total+=array[i];
   }
   
   return (double)total/n;
  }
  
}