题解 | #判断季节#

using namespace std;

int main() {
    
    int month;
    cin >> month;

    if(month>=3 && month<=5) cout<<"春季";
    
    else if(month>=6 && month<=8) cout<<"夏季";

    else if(month>=9 && month<=11) cout<<"秋季";
    
    else if(month==12 || month==1 || month==2) cout<<"冬季";
    
    else cout<<"不合法";
    return 0;
}