#include <stdio.h>
#include <string.h>
int main() {
char a=0;
while( scanf("%c\n", &a)!=EOF)
{
//a=getchar();
if ( a=='a' || a == 'A' || a == 'E' || a=='e' || a == 'i' || a == 'I' || a == 'O' || a == 'o' || a == 'u' || a == 'U')
{
printf("Vowel\n");
}
else
{
printf("Consonant\n");
}
}
return 0;
}

京公网安备 11010502036488号