Thread: IF statement/Array

/* *****************************************
AUTHOR 
 
 ******************************************** */
 
import java.util.Arrays;
import javax.swing.*; // import the swing library for I/O
 
class painting
{
 
 
 
 
	public static void main (String[] args)
	{
 
		vote();
		System.exit(0);
 
	} 
 
 
	public static void vote()
	{
		String[] paintings = {"Mona Lisa","Water Lilies","The Scream","A Young Rembrandt"}; 
		int[] scores = {0,0,0,0}; 
		String painting;
 
		for (int y=0; y<paintings.length; y++)
		{
			System.out.println("Vote "+ y + " for " + paintings[y]);
		}
 
 
		for (int i=0; i<paintings.length; i++)
 
		{
 
			painting = JOptionPane.showInputDialog("Which painting would you like to vote for?");
			System.out.println(Arrays.toString(paintings));
 
			if (paintings[i].equalsIgnoreCase(painting))
			{
				JOptionPane.showMessageDialog(null, "You voted for " + painting);
				scores[i] = scores[i] + 1;
			}	
			else if(painting.equals("-33"))
			{
				for(int z=0; z<paintings.length; z++)
					System.out.println((scores[z] + " " + paintings[z]));
			}
			else 
			{
				JOptionPane.showMessageDialog(null, "Invalid Entry");
 
			}
 
		}
 
	}	
 
}

Why does my program skip the IF statement and just goes to the else part and prints "Invalid Entry" even when i enter a correct painting :S