#include<stdio.h>
void main(){
char input = ' ';
int v, c;
v=c=0;
while(input != '!'){
puts("Enter a char");
input = getchar();
switch(input){
case 'A':
case 'a':
case 'E':
case 'e':
case 'I':
case 'i':
case 'O':
case 'o':
case 'U':
case 'u':
v=v+1;
break;
default:
c = c+1;
}
}
if(v>c)
puts("Vowel wins.");
else if(c>v)
puts("Constant wins.");
else
puts("It's a tie.");
}