excercises5.1/5.3/5.4

package number;

import java.util.Scanner;
	public class numbers
	{

		public static void main(String []args)
		{
		Scanner num= new Scanner(System.in);
		int input=num.nextInt();
		System.out.println(input);

		if(input>=1)
			{
				System.out.println("input is positive");
				if (input < 0) {input = input * -1;}
		         if (input <= 10) {System.out.println("1 digit");}
		         else if ( input<= 100) {System.out.println("2 digits");}
		         else if (input<= 1000) {System.out.println("3 digits");}
		         else if (input <= 10000) {System.out.println("4 digits");}
		         else if ( input<= 100000) {System.out.println("5 digits");}
		         else if ( input<= 1000000) {System.out.println("6 digits");}
		         else if (input <= 10000000) {System.out.println("7 digits");}
		         else if (input <= 100000000) {System.out.println("8 digits");}
		         else if (input <= 1000000000) {System.out.println("9 digits");}
			}
		if (input<0)
		{
			System.out.println("input is negative");
			if (input < 0) {input = input * -1;}
	         if (input <= 10) {System.out.println("1 digit");}
	         else if ( input<= 100) {System.out.println("2 digits");}
	         else if (input<= 1000) {System.out.println("3 digits");}
	         else if (input <= 10000) {System.out.println("4 digits");}
	         else if ( input<= 100000) {System.out.println("5 digits");}
	         else if ( input<= 1000000) {System.out.println("6 digits");}
	         else if (input <= 10000000) {System.out.println("7 digits");}
	         else if (input <= 100000000) {System.out.println("8 digits");}
	         else if (input <= 1000000000) {System.out.println("9 digits");}
		}
		if (input==0)
		{
			System.out.println("input is zero");

		 if (input < 0) {input = input * -1;}
         if (input <= 10) {System.out.println("1 digit");}
         else if ( input<= 100) {System.out.println("2 digits");}
         else if (input<= 1000) {System.out.println("3 digits");}
         else if (input <= 10000) {System.out.println("4 digits");}
         else if ( input<= 100000) {System.out.println("5 digits");}
         else if ( input<= 1000000) {System.out.println("6 digits");}
         else if (input <= 10000000) {System.out.println("7 digits");}
         else if (input <= 100000000) {System.out.println("8 digits");}
         else if (input <= 1000000000) {System.out.println("9 digits");}
 }//this is a different excercise
		} int number1 = 1;
        int number2 = 2;
        int number3 = 3;
        if(number1 == number2 && number2 == number3){System.out.println("all the same");}
        else if((number1 != number2) && (number2 != number3) && (number1 != number3)){System.out.println("Different");}
        else{System.out.println("neither");}
}

	}