#include <stdio.h>
int main(void) {
int m,d;
switch(m){
case 1:
if(d<=19)
else
break;
case 2:
if(d<=18)
else
break;
case 3:
if(d<=20)
else
break;
case 4:
if(d<=19)
else
break;
case 5:
if(d<=20)
else
break;
case 6:
if(d<=21)
else
break;
case 7:
if(d<=22)
else
break;
return 0;
case 8:
if(d<=22)
else
break;
case 9:
if(d<=22)
else
break;
case 10:
if(d<=23)
else
break;
case 11:
if(d<=22)
else
break;
case 12:
if(d<=21)
else
break;
}
return 0;
}
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