F - 质数检测 V2

https://vjudge.net/contest/218366

Java解

 import java.math.BigInteger;
 import java.util.Scanner;

 public class Main {
     public static void main(String[] args) {
         Scanner cin = new Scanner(System.in);
         BigInteger a = cin.nextBigInteger();
         Boolean b = a.isProbablePrime();
         if(b == true)
             System.out.println("Yes");
         else
             System.out.println("No");
         cin.close();
     }
 }