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#include <algorithm>
#include <iostream>
using namespace std;
const int INF = 1e6;
bool is_vowel(char c) {
return c == 'A' || c == 'E' || c == 'I' || c == 'O' || c == 'U';
}
string S;
int solve() {
cin >> S;
int ans = INF;
for (char c1 = 'A'; c1 <= 'Z'; c1++) {
int curr = 0;
for (char c2 : S) {
if (c1 != c2) {
curr += is_vowel(c1) == is_vowel(c2) ? 2 : 1;
}
}
ans = min(ans, curr);
}
return ans;
}
int main() {
int T;
cin >> T;
for (int t = 1; t <= T; t++) {
cout << "Case #" << t << ": " << solve() << endl;
}
return 0;
}
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