题解 | #四季#

#include <stdio.h>

int main() {
    int a, b;
    while (scanf("%4d%2d", &a, &b) != EOF) { 
        if(b>=3&&b<=5)printf("spring\n");
        if(b>=6&&b<=8)printf("summer\n");
        if(b>=9&&b<=11)printf("autumn\n");
        if(b==12||b<=2)printf("winter\n");
    }
    return 0;
}