#include <iostream> 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 ==1 || month ==2 || month == 12)//不宜组合,就用或来分开 cout<<"冬季"; else cout<<"不合法"; return 0; }