import java.util.*;
public class ArraySheet {

	public static void main(String[] args) {

		int[] array=new int[5];

		enter(array);
		System.out.println();
		System.out.println();

		print(array);
		System.out.println();
		System.out.println();

		System.out.println(getSum(array));
		System.out.println();

		System.out.println(getBiggest(array));
		System.out.println();

		System.out.println(getAvg(array));
		System.out.println();

		printReverse(array);
		System.out.println();
		System.out.println();
	}

	// 1
	public static void enter(int[] array){
		Scanner input = new Scanner(System.in);

		for(int i=0; i<array.length;i++){
			System.out.print("Enter a number:");
			array[i]=input.nextInt();
		}
	}

	// 2
	public static void print(int[] array){

		for(int i=0;i<array.length;i++){
			System.out.println(array[i]);
		}
	}

	// 3
	public static int getSum(int[] array){
		int sum=0;
		for(int i=0;i<array.length;i++){
			sum+=array[i];
		}
		return sum;
	}

	// 4
	public static int getBiggest(int[] array){
		int Biggest=array[0];
			for(int i=0; i<array.length;i++){
				if(array[i]>Biggest){
					Biggest=array[i];
				}
			}
		return Biggest;
	}

	// 5
	public static double getAvg(int[] array){
		double Average=0;
		for(int i=0; i<array.length;i++){
			Average+=array[i];
			}
		Average=Average/array.length;
		return Average;
		}

	// 6
	public static void printReverse(int[] array){
		for(int i=array.length-1; i>=0;i--){
			System.out.println(array[i]);
			}
	}

	// 7
	public static void printEveryOther(int[] array){
		for(int i=0; i<array.length;i=i+2){
			System.out.println(array[i]);
			}
	}

	// 8
	public static boolean isHonors(int[] array){
		double Average=getAvg(array);
		if(Average>=90)
			return true;
		else
			return false;
	}

	// 9
	public static char getLetterGrade(int[] array){
		double Average=getAvg(array);
		if(Average>=90)
			return 'A';
		else if(Average>=80)
			return 'B';
		else if(Average>=70)
			return 'C';
		else if(Average>=60)
			return 'D';
		else
			return 'F';
	}

	// 10
	public static int countOdd(int[] array){
		int Count=0;
		for(int i=0; i<array.length;i++){
			if(array[i]%2!=0){
				Count++;
			}
		}
		return Count;
	}

	// 11
	public static void printSecondHalf(int[] array){
		for(int i=array.length; i>array.length/2;i--){
			System.out.println(array[i]);
			}
	}

	// 12
	public static double avgOfOdd(int[] array){
		double Average=0;
		int Count=0;
		for(int i=0; i<array.length;i++){
			if(array[i]%2!=0){
			Average+=array[i];
			Count++;
			}
		}
		Average=Average/Count;
		return Average;
		}

	// 13
	public static void changeOdds(int[] array){
		for(int i=0; i<array.length;i++){
			if(array[i]%2!=0)
			array[i]+=1;
			}
		}

	// 14
	public static void sort(int[] array){
		{
			for (int i = 0; i < array.length - 1; i++)
			{
				int min = i;
				for (int j = i + 1; j < array.length; j++)
				{
					if (array[j] < array[min])
					{
						min = j;
					}
				}
				if (i != min)
				{
					int swap = array[i];
					array[i] = array[min];
					array[min] = swap;
				}
			}
		}

	}

	// 15
	public static int linear(int[] array, int num){
		int answer=-1;
		for(int i=0; i<array.length;i++){
			if(array[i]==num&&answer==-1){
			answer=i;
			}
		}
		return answer;
	}

	// 16
	public static int count(int[] array, int num){
		int c = 0;
		for(int i=0; i<array.length;i++){
			if(array[i]==num){
			c++;
			}
		}
		return c;
	}

	// 17
	public static void shift(int[] array){
		for(int i=0; i<array.length-1;i++){
			array[i]=array[i+1];
		}
	}

	// 18
	public static void shift2(int[] array){
		int next;
		int last=array[array.length-1];
		for(int i=0; i<array.length;i++){
			array[i]=array[i-1];
		}
	}


}