public class test{
        public static void main (String[] args){
                int a;
                
                System.out.print("0,1입력:");
                a=System.in.read();
                
                if(a=='0')
                        System.out.println("10/3은"+10/3);
                else
                        System.out.println("10%3은"+10%3);
        }
}

난 그대로 했는데
시붕 -_-
책 보고 하고있는데 어째서 틀렸다고 나오지?