// Online Java Compiler
// Use this editor to write, compile and run your Java code online

class Main {
    public static void main(String[] args) {
        result();
    }
    
    public static void result() {
        for(int i=500; i < 600; i++) { // the 3 digit range starting with 5
            if(isPrime(i))
                System.out.println(i);
        }
        
    }
    
    public static boolean isPrime(int p) {
        
        if(p < 2) // no prime number smaller than 2
            return false;
        else if(p == 2) // 2 is a prime no
            return true;
        else {
            for(int i=2; i<p; i++) { // loop for every no until p
                if(p % i == 0) // if it can be divided by any other no
                    return false;
            }
            return true; // the loop couldn't find any other divider
        }
        
    }
    
    
}