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