#include<stdio.h>
int main(void)
{
int a;
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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