Printing an else statement when not needed

public static void add2q(){ 
    System.out.print("Age:");
    age = sc.nextInt();
    if(!(age>=3 && age <=80)){
        System.out.println("Sorry you must be between the age of 3 to 80");            
    }else if(age>=3 && age<=5){
        while(true){
            System.out.println("Need to be accompanied by an adult above 16\nHave an adult to accompany?y/n");
            String yn = sc.nextLine();
            if(yn.equals("y")){
                System.out.print("Child's Name: ");
                name = sc.nextLine();
                names.add(name);
                price();
                addAdult();
                break;
            }else if(yn.equals("n")){
                while(true){
                    System.out.println("Sorry you cannot take this ride");
                    add2q();
                    break;
                }
            }else{
                System.out.println("Invalid output");//funny problem here 
            }    
        }
    }else{
        System.out.print("Name: ");
        name = sc.nextLine();
        names.add(name);
        price();
    }        
}

//'When user types in 3 or 4 or 5, it will print the "need to be..." and the //"Invalid output statement"(i dont want this statement).'