Ответ:

#include <iostream>

#include <vector>

#define ll long long

using namespace std;

int main()

{

   int n; cin >> n;

   if (n == 12 || n == 1 || n == 2)

   {

       cout << "winter";

   }

   else if (n == 3 || n == 4 || n == 5)

   {

       cout << "spring";

   }

   else if (n == 6 || n == 7 || n == 8)

   {

       cout << "Summer";

   }

   else if (n == 9 || n == 10 || n == 11)

   {

       cout << "autumn";

   }

   return 0;

}

print("Введите номер месяца: ")

number = int(input())

if number == 12 or number == 1 or number == 2:

       print ("Зима")

elif number == 3 or number == 4 or number == 5:

       print ("Весна")

elif number == 6 or number == 7 or number == 8:

       print ("Лето")

elif number == 9 or number == 10 or number == 11:

       print ("Осень")