def username():



  FirstName= str(input("Enter your Firstname: "))

  LastName= str(input("Enter your Lastname: "))

  Year= int(input("Enter the year: "))

  department= str(input("Enter your department name:"))

  

  result= FirstName[0] + LastName[0] + str(Year)[2:4] + department[0:3]

  result= result.upper()

  

  return result



print(username())