$valid="false";
While ($valid eq "false"){

#This is the 1st Line
#User didn't enter anything.
print "Please enter the number of tickets you want.";
chomp($NumberOfTickets = <STDIN>);

if ($NumberOfTickets ne ""){
$valid = "true";
}else{
print "\nYou did not enter anything, enter a number.";
Next;
}

#User didn't enter a digit
if ($NumberOfTickets =~ /[^0-9]/){ 
$valid = "false";
print "\nYou should only enter a digit, enter a digit.";
Next;
}else{
$valid="true";
}

#Number of tickets should be between 1 and 10
if ($NumberOfTickets > 10 || $NumberOfTickets < 1){
$valid="false";
print "\nYou can only have 1 to 10 tickets, reenter number.";
Next;
}else{
$valid="true";
}

#This is the 2nd Line
#You can only have 6 numbers or less on a ticket.
print "Please enter how many numbers you want on each ticket.";
chomp($NumbersOnTickets = <STDIN>);

if ($NumbersOnTickets <= "6"){
$valid = "true";
}else{
print "\nYou can only have 1 - 6 tickets, reenter number.";
chomp($NumbersOnTickets = <STDIN>);
Next;
}

if ($NumberOnTickets ne ""){
$valid = "true";
}else{
print "\nYou did not enter anything, enter a number between 1 - 6.";
Next;
}

#User didn't enter a digit
if ($NumberOnTickets =~ /[^0-9]/){ 
$valid = "false";
print "\nYou should only enter a digit, enter a digit.";
Next;
}else{
$valid="true";
}

#Number of tickets should be between 1 and 6
if ($NumberOnTickets > 6 || $NumberOfTickets < 1){
$valid="false";
print "\nYou can only have 1 to 6 tickets, reenter number.";
Next;
}else{
$valid="true";
}

#This is the 3rd Line
#Highest number must be less than or equal to 56
print "Enter the highest number you want on your tickets.";
chomp($HighestNumberOnTicket = <STDIN>);

if ($HighestNumberOnTicket <= "56"){
$valid = "true";
}else{
print "\nYour highest number can between 1 and 56, reenter number.";
chomp($HighestNumberOnTicket = <STDIN>);
Next;
}

if ($HighestNumberOnTicket ne ""){
$valid = "true";
}else{
print "\nYou did not enter anything, enter a number between 1 - 56.";
Next;
}

#User didn't enter a digit
if ($HighestNumberOnTicket =~ /[^0-9]/){ 
$valid = "false";
print "\nYou should only enter a digit, enter a digit.";
Next;
}else{
$valid="true";
}

#Number of tickets should be between 1 and 56
if ($HighestNumberOnTicket > 56 || $NumberOfTickets < 1){
$valid="false";
print "\nYour hightest number can only be between 1 to 56, reenter number.";
Next;
}else{
$valid="true";
}

for ($i=0; $i<$NumbersOnTickets; $i++)
{
$lotto[$i]= int(rand($HighestNumberOnTicket)) + 1;
}
print "Your lottery ticket number is @lotto\n";

}
}