import javax.swing.JOptionPane;
public class qwerty
{
	public static void main(String [] args)
	{
		String input, newInput;
		String Line1 = "qwerrtyuiop", Line2 = "asdfghjkl", Line3 = "zxcvbnm", aCharacter, result = "The Keyboard Lines Used In This Word/Sentence/Phrase Are: \n";
		boolean L1 = false, L2 = false, L3 = false;
		int i;
		input = JOptionPane.showInputDialog(null, "Please enter a word, phrase or sentence: ","Keyboard Line Check", 3);


		    if(input.equals(""))
			   JOptionPane.showMessageDialog(null,"Please enter a valid word/sentence/phrase");
		    else
			{
				newInput = input.replaceAll("[^a-zA-Z]", "");
				newInput = newInput.toLowerCase();
				for(i = 0; i < Line1.length() && !L1; i++)
				{
                   aCharacter = Line1.substring(i, i + 1);
                   if (input.indexOf(aCharacter) == -1)
                   L1 = false;
                   else L1 = true;
				}

				for(i = 0; i < Line2.length() && !L2; i++)
				{
                   aCharacter = Line2.substring(i, i + 1);
                   if (input.indexOf(aCharacter) == -1)
                   L2 = false;
                   else L2 = true;
				}

				for(i = 0; i < Line3.length() && !L3; i++)
				{
                   aCharacter = Line3.substring(i, i + 1);
                   if (input.indexOf(aCharacter) == -1)
                   L3 = false;
                   else L3 = true;
				}
				if(L1)
					result += "Line 1 (QWERTYUIOP)\n";
				if(L2)
					result += "Line 2 (ASDFGHJKL) \n";
				if(L3)
					result += "Line 3 (ZXCVBNM) \n";
			}
				JOptionPane.showMessageDialog(null,result);
    }
}