Problem:
Score : 100 points

Problem Statement

In some other world, today is December D-th.

Write a program that prints Christmas if D = 25, Christmas Eve if D = 24, Christmas Eve Eve if D = 23 and Christmas Eve Eve Eve if D = 22.

Constraints

22 \leq D \leq 25

D is an integer.

Input

Input is given from Standard Input in the following format:

D

Output

Print the specified string (case-sensitive).

Sample Input 1

25

Sample Output 1

Christmas

Sample Input 2

22

Sample Output 2

Christmas Eve Eve Eve

Be sure to print spaces between the words.

Solution in Fortran (gfortran v4.8.4) (judge verdict: Accepted)

program christmas_eve_eve_eve
  implicit none
  integer :: d
  read(*,*) d
  write(*,'(a)',advance='no') "Christmas"
  d = 25-d
  do while (d > 0)
    write(*,'(a)',advance='no') " Eve"
    d = d-1
  end do
  write(*,*)
end program christmas_eve_eve_eve