View Code of Problem 27

import java.util.java*;
class Main{
  public static void main(String[] args){
      Scanner sc=new Scanner(System.in);
      while(sc.hasNext()){
      int a=sc.nextInt();
      int b=sc.nextInt();
      int sum=Main.sum(a,b);
      System.out.println(sum);
      }
  }
  public static int sum(int a,int b){
      int sum1=0;
      for(int i=a+1;i<b;i++){
        if(Main.judge(i)){
            sum1+=i;
        }
      }
    return sum1;
  }
  public static boolean judge(int a){
    if(a==1){return false;}
    for(int i=2;i<a;i++){
      if(a%i==0){return false;}
    }
    return true;
  }
  
}
/*
Main.java:1: error: ';' expected
import java.util.java*;
                     ^
1 error
*/