#include <stdio.h>
int main(){
int month;
printf("please enter a month:\n");
scanf("%d",&month);
switch(month){
case 3:
case 4:
case 5:
printf("%d is spring\n",month);
break;
case 6:
case 7:
case 8:
printf("%d is summer\n",month);
break;
case 9:
case 10:
case 11:
printf("%d is autumn\n",month);
break;
case 12:
case 1:
case 2:
printf("%d is winter\n",month);
break;
default:
printf("error!\n");
break;
}
return 0;
}
