import javax.swing.*;

class PetAdvice
{
public static void main(String args[]) throws Exception
{
int hours;
int a = 0;

char house = ' ';

String hoursString;

String petAdvice = "Hello";

System.out.println("H) House");
System.out.println("A) Apartment");
System.out.println("D) Dormitory");
System.out.println("Insert the word according to the type of residence you live in.");

house = (char) System.in.read();

while ((house != 'H') && (house != 'A') && (house != 'D'))
{
System.out.println("You didn't enter a correct house type insert H, A or D according to the residence.");
house = (char) System.in.read();
System.in.read();
System.in.read();
}

hoursString = JOptionPane.showInputDialog("Insert number of hours you spend at your residence");
hours = Integer.parseInt(hoursString);

switch(house)
{
case('H'):
{
if(hours > 18)
{
a = 0;
petAdvice = "Pot bellied pig";
break;
}
if ((hours >= 10) && (hours <= 17))
{
a = 0;
petAdvice = "Dog";
break;
}
if ((hours < 10))
{
a = 0;
petAdvice = "Snake";
break;
}

}

case('A'): {
if (hours >= 10)
{
a = 0;
petAdvice = "Cat";
break;
}
if (hours < 10)
{
a = 0;
petAdvice = "Hamster";
break;
}
}
case('D'):
{
if (hours >= 6)
{
petAdvice = "Fish";
a = 0;
break;
}
if (hours < 6)
{
petAdvice = "Ant farm";
a = 0;
break;
}
}
default:
{
System.out.println("You didn't enter correct information.");
a = 1;
}
}
if (a != 1)
{
JOptionPane.showMessageDialog(null, "You should buy yourself a\n" + petAdvice, "Your pet advice", JOptionPane.INFORMATION_MESSAGE);
}
}
}