import java.util.Scanner;
import java.lang.String;

public class shitsngiggles {

	public static void main(String[] args) {
	Scanner input=new Scanner(System.in);

    //#1

    int first, second, bet;

    System.out.println("Please enter first number (minimun):" );
    first=input.nextInt();

    System.out.println("Please enter second number (maximum): ");
    second=input.nextInt();

    do
    {
    System.out.println("Please enter a number between "+first+" and "+second);
    bet=input.nextInt();
    }while(bet<=first || bet>=second);

    //#2
    int even;

    System.out.println("Evens: ");

    for(even=1; even<=20; even++)
    {
      if(even%2==0)
      System.out.println(even);
    }

    //#3
    int num, s, sum=0;

    System.out.println("Please enter a number: ");
    num=input.nextInt();

    System.out.println("NumbersSum: ");

    for(s=1; s<=num; s++)
    {
      System.out.println(+s);
      sum+=s;
    }

    System.out.println("The sum is: "+sum);

    //#4
    double scores, sumScores=0;
    int numScores = 0;

    System.out.println("Please enter your score(s) (0 to quit): ");
    scores=input.nextDouble();

    while(scores!=0)
    {
    numScores+=1;
    sumScores+=scores;
    System.out.println("Please enter your score(s) (0 to quit): ");
    scores=input.nextDouble();
    }
    System.out.println("Your average is: "+sumScores/(double)numScores);

    //#5
    int num2, f, mult=1;

    System.out.println("Please enter a number: ");
    num2=input.nextInt();

    for(f=num2; f>=1; f--)
    {
    	mult*=f;
    }
    System.out.println(num2+"!="+mult);

    //#6

    int num1, sum1=0, s1;

    System.out.println("Please enter a number: ");
    num1=input.nextInt();

    for(s1=1; s1<=num1; s1+=2)
    {
    	sum1+=s1;
    }
    System.out.println(sum1);

    //#7
    String user, pass;
	int passLength;

    System.out.println("Enter a username: ");
    user=input.next();

    do{
    System.out.println("Enter a password that is at least 8 characters: ");
    pass=input.next();
    passLength=pass.length();
    user=user.toLowerCase();
    pass=pass.toLowerCase();
    }while(passLength<8);

    if(passLength>=8)
    System.out.println("Your username is "+user+" and your password is "+pass);

    //#8
    String name, mr="mr.", mrs="mrs.", ms="ms.", miss="miss";

    System.out.print("Please enter your name: ");
    name=input.next();

    if(name.compareToIgnoreCase(mr)==0)
    {
    	System.out.println("Hello, sir!");
    }
    else if(name.compareToIgnoreCase(mrs)==0 || name.compareToIgnoreCase(ms)==0 || name.compareToIgnoreCase(miss)==0)
    {
    	System.out.println("Hello, ma'am!");
    }
    else
    {
    	System.out.println("Hello, "+name+"!");
    }

    //#9


}
}