#include<stdio.h>
//A==65,E==69,I==73,O==79,U==85
int output(char a) {
int ar[5] = {65, 69, 73, 79, 85}, t = 0;
for (int i = 0; i < 5; i++) {
if (a == ar[i] || a == ar[i] + 32) t = 1; //若a为元音返回值1
}
return t;
}
int main() {
char a;
while (scanf("%c\n", &a) != EOF ) {
if (output(a)) printf("Vowel\n");
else printf("Consonant\n");
}
return 0;
}

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