@@ -0,0 +1,14 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+int main() {
+ int n;
+ cin >> n;
+ for (int i = 1; i <= n; i++) {
+ int q;
+ cin >> q;
+ cout << "Case #" << i << ": ";
+ cout << (q & -q) << endl;
+ }
+}
