#include <stdio.h>
int main(void) {
int year;
printf("1900年以降の西暦を入力して下さい。\n");
{
if(year >= 1900)
switch(year%12)
{
case 0:
break;
case 1:
break;
case 2:
break;
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;
}
else
}
// your code goes here
return 0;
}
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