LoopingQues4.java

import java.util.*;

public class Solution {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt(),b=sc.nextInt();
        for(int i = a;i<=b;i++){
            if(isPrime(i)){
                System.out.print(i+" ");
            }
        }
    }
    static boolean isPrime(int n) {
        if (n == 2 || n == 3)
            return true;
        if (n % 2 == 0)
            return false;
        for (long i = 3; i * i <= n; i += 2) {
            if (n % i == 0)
                return false;
        }
        return n != 1;
    }
}