#include <iostream>
using namespace std;
int main() {
int const items[] = {21, 42, 63};
int const * item = items;
int const * const end = items + sizeof(items) / sizeof(items[0]);
switch (1) {
case 0: do { cout << ", ";
default: cout << *item; ++item; } while (item != end);
}
cout << endl << "I'm so sorry" << endl;
return 0;
}
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