백준 8단계 no. 4

import java.util.*;

public class Main {
    static boolean prime(int m) {
        if (m != 1) {
            for (int j = 2; j <= Math.sqrt(m); j++) {
                if (m % j == 0) {
                    return false;
                }
            }
            return true;
        }
        return false;
    }

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int m = sc.nextInt();
        int n = sc.nextInt();

        for (; m <= n; m++) {
            if (prime(m)) {
                System.out.println(m);
            }
        }

    }
}