import java.long.*;
im[ort java.io.*;
   import java.util.*;
   class std
   {
     String name;
     int roll_no,sub1,sub2,total;
     float per;
     void getadata() throws IOException
     {
       BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        System.out.println("Enter the name of student");
       name=br.readLine();
        System.out.println("Enter Rollno of student");
       rollno=Integer.parseInt(br.readLine());
        System.out.println("Enter marks out of 100 per 1st subject");
       sub1=Integer.parseInt(br.readLine());
        System.out.println("Enter marks out of 100 per 2nd subject");
        sub2= Integer.parseInt(br.readLine());
      }
       void show()
      {
         total=sub1+sub2;
          per=(total*100)/200;
         System.out.println(roll_no+"\n"+name+"\n"+sub1+"\n"+sub2+"\n"total+"\n"+per);
      }
    }
     class student extends std
   {
     public static void main(String arg[]) throws IOexception
     {
       student s=new student();
       s.getdata();
     }
   }