#include <iostream> using namespace std; int main() { int month; cin >> month; // write your code here...... switch (month) { case 3: case 4: case 5: cout << "春季" << endl; break; case 6: case 7: case 8: cout << "夏季" << endl; break; case 9: case 10: case 11: cout << "秋季" << endl; break; case 12: case 1: case 2: cout << "冬季" << endl; break; default: cout << "不合法" << endl; break; } return 0; }