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

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