#include <stdio.h>
int main(){
//printf("生年月日を改行して数字のみ入力してください。");
int a,b;
switch(a)
{
case 3:
if((20>=b)&&(b>=1))
else if((21>=b)&&(b>=31))
else
break;
case 4:
if((19>=b)&&(b>=1))
else if((30>=b)&&(b>=21))
else
break;
case 5:
if((20>=b)&&(b>=1))
else if((31>=b)&&(b>=21))
else
break;
case 6:
if((21>=b)&&(b>=1))
else if((30>=b)&&(b>=22))
else
break;
case 7:
if((22>=b)&&(b>=1))
else if((31>=b)&&(b>=23))
else
break;
case 8:
if((22>=b)&&(b>=1))
else if((31>=b)&&(b>=23))
else
break;
case 9:
if((22>=b)&&(b>=1))
else if((31>=b)&&(b>=23))
else
break;
case 10:
if((23>=b)&&(b>=1))
else if((31>=b)&&(b>=24))
else
break;
case 11:
if((22>=b)&&(b>=1))
else if((30>=b)&&(b>=23))
else
break;
case 12:
if((21>=b)&&(b>=1))
else if((31>=b)&&(b>=22))
else
break;
case 1:
if((19>=b)&&(b>=1))
else if((31>=b)&&(b>=20))
else
break;
case 2:
if((18>=b)&&(b>=1))
else if((28>=b)&&(b>=1))
else
break;
}
return 0;
}
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