#include<stdio.h> int main() { int year = 0, month = 0; scanf("%4d%02d",&year,&month); //年份月份 switch (month) { //春 case 3: case 4: case 5: printf("spring"); break; //夏 case 6: case 7: case 8: printf("summer"); break; //秋 case 9: case 10: case 11: printf("autumn"); break; //冬 case 12: case 1: case 2: printf("winter"); break; default: break; } return 0; }