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

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