#include <iostream>
using namespace std;
int main() {
char c = 'a';
if(c=='a')goto _a;
if(c=='b')goto _b;
goto _default;
goto _break;
_a: cout << 'a' << endl;
goto _break;
_b: cout << 'b' << endl;
goto _break;
_default:
goto _break;
_break:
return 0;
}
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