계절 출력하기

#include<stdio.h>
int s;
int main()
{
	scanf("%d", &s);
	
	switch(s)
	{
		case 12: case 1: case 2:
		printf("winter\n"); break;
		case 3: case 4: case 5:
		printf("spring\n"); break;
		case 6: case 7: case 8:
		printf("summer\n"); break;
		default:
		printf("fall\n");
	}
 }