int subchicken, subbeef, subveg, subchild, subnone, subnobeef;
    
    subchicken = request.indexOf("chicken");
    subbeef = request.indexOf("beef");
    subnobeef = request.indexOf("no beef");
    subveg = request.indexOf("vegetarian");
    subchild = request.indexOf("child");
    
    if (((subnobeef >= 0) || (subchicken >= 0)) && (subchild < 0)) {
     mealcode = 1;
    }
     else if ((subbeef >= 0) && (subchild < 0)) {
     mealcode = 2;
    }
     else if (subveg >= 0) {
     mealcode = 3;
    }
     else if ((subchild >= 0) && (subveg < 0)) {
     mealcode = 4;
    }
     else {
     mealcode = 0;
    }
public class TC1 
{
  public static void main( String[] args ) 
  {
    // Enter a value to test here
    String request = "30";
  
    System.out.println("mealcode is " + work(request));
  }
  public static int work( String request )
  {
    int mealcode;

    // Enter your code here
 
    return mealcode;
  }
}
Submitted