public static void main(String args[])
System.out.println("Hello, World!");
public static boolean isPrime(int num) {
int sqrnum = (int) Math.sqrt(num);
if (num%2==0) { return false; }
if (num%5==0) { return false; }
for (int i=0; i< sqrnum; i++) {
if (num%i == 0) {ans = false; }