#include <stdio.h>
int main(void) {
int a,b;
switch(a){
case 3:
}
break;
case 4:
}
break;
case 5:
}
break;
case 6:
}
break;
case 7:
}
break;
case 8:
}
break;
case 9:
}
break;
case 10:
}
break;
case 11:
}
break;
case 12:
}
break;
case 1:
}
break;
case 2:
}
break;
}
return 0;
}
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