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