import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
      
      Scanner age = new Scanner (System.in);
      
    
      System.out.println("write your name here");
       String name = age.next();
      
     
      System.out.println("write your year of birth");
      int yeardob = age.nextInt();
      
      System.out.println("write your month of birth");
      int monthdob = age.nextInt();
      
      System.out.println("present year ");
      int yeartoday = age.nextInt();
      
      
      System.out.println("present month");
      int monthtoday = age.nextInt();
      
      int age1 = yeartoday- yeardob;
      int age2 = monthtoday- monthdob;
      
   System.out.print(name);
    System.out.print(" your age is =");
    
   
     System.out.print(age1);
    
     System.out.print("year/");
    
     System.out.print(age2);
    
      System.out.print("month/nulldays");

      

      

    
      
        
    }
}