#include <stdio.h>
int main() {
char a;
while((a=getchar())!=EOF)
{
getchar();
switch(a)
{
case 'A':printf("Vowel\n");break;
case 'a':printf("Vowel\n");break;
case 'E':printf("Vowel\n");break;
case 'e':printf("Vowel\n");break;
case 'I':printf("Vowel\n");break;
case 'i':printf("Vowel\n");break;
case 'O':printf("Vowel\n");break;
case 'o':printf("Vowel\n");break;
case 'U':printf("Vowel\n");break;
case 'u':printf("Vowel\n");break;
default:printf("Consonant\n");
}
}
return 0;
}

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