import java.util.ArrayList;
import java.util.List;

public class PrimeNumbersStartingWith5 {
    
    // Method to check if a number is prime
    public static boolean isPrime(int n) {
        if (n <= 1) return false;
        for (int i = 2; i <= Math.sqrt(n); i++) {
            if (n % i == 0) return false;
        }
        return true;
    }
    
    // Method to find all 3-digit prime numbers starting with 5
    public static List<Integer> findPrimesStartingWith5() {
        List<Integer> primes = new ArrayList<>();
        for (int num = 500; num < 600; num++) {
            if (isPrime(num)) {
                primes.add(num);
            }
        }
        return primes;
    }
    
    public static void main(String[] args) {
        List<Integer> primes = findPrimesStartingWith5();
        System.out.println("3-digit prime numbers starting with 5: " + primes);
    }
}