class Guess2 {
  public static void main(String args[])
    throws java.io.IOException {
    int i;
    char num ='6';
    System.out.println("a number between 0 and 10.");
    System.out.print("what is it: ");
    i = System.in.read();
    // 從鍵盤上輸入一個數字
    if(i == num) System.out.println("You are talent");
    else System.out.println("You're wrong , try again");
  }  
}