Sticks game not done lol

Sticks.java

import java.util.*;
public class Sticks{

     public static void main(String []args){
         
         int sticks, maxStick = 0;
         int userStick = 0, compStick = 0;
         
         Scanner scan = new Scanner(System.in);
         Random generator = new Random();
         
         sticks = generator.nextInt(80) + 20;
         
         if (sticks >= 51){
            maxStick = 5;
         } else if (40 < sticks && sticks <= 50){
             maxStick = 4;
         } else if (30 < sticks && sticks <= 40){
             maxStick = 3;
         } else if (19 < sticks && sticks <= 30){
             maxStick = 2;
         }
         
         while (sticks >= 0){
             
             System.out.println ("There is " + sticks + " sticks in the pile.");
             System.out.println ("Take out 1 -  " + "" + maxStick + ":");
             
             userStick = scan.nextInt();
   
             if (maxStick == 5){
                 compStick = generator.nextInt(5) + 1;
             } else if (maxStick == 4){
                compStick = generator.nextInt(4) + 1;
             } else if (maxStick == 3){ 
                 compStick = generator.nextInt(3) + 1;
             } else if (maxStick == 2){
                 compStick = generator.nextInt(2) + 1;
             }
             
              if (userStick > maxStick){
             	System.out.println ("Please pick a number 1 - " + "" + maxStick);
              }else { 
              	continue;
              }
             
              if (sticks == maxStick){
             	compStick -= 1;
             } 
             
              if (sticks == 2){
              	compStick = 1;
              } else {
             	sticks -= userStick;
             	sticks -= compStick;
             }
             
             if ( compStick == userStick){
             	sticks /= 2;
             } else {
             	sticks -= userStick;
             	sticks -= compStick;
             }
            
            System.out.println ((userStick) + " " + (compStick));
            
            
            
       
             
         }
      
     }
}