Problem:
Score : 100 points

Problem Statement

Given a lowercase English letter c, determine whether it is a vowel. Here, there are five vowels in the English alphabet: a, e, i, o and u.

Constraints

c is a lowercase English letter.

Input

The input is given from Standard Input in the following format:

c

Output

If c is a vowel, print vowel. Otherwise, print consonant.

Sample Input 1

a

Sample Output 1

vowel

Since a is a vowel, print vowel.

Sample Input 2

z

Sample Output 2

consonant

Sample Input 3

s

Sample Output 3

consonant

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

program main
implicit none
integer :: i, j, k
character :: s*1

read(*,*) s
if( s == 'a' .or. s=='i' .or. s =='u' .or. s=='e' .or. s=='o' ) then
   write(*,*) "vowel"
else
   write(*,*) "consonant"
end if


end program main