#include <iostream>
using namespace std;
int main() {
setlocale(LC_ALL, "Rus");
int choice;
cout << "Введите номер месяца: ";
cin >> choice;
switch (choice) {
case 1:
case 12:
case 2:
cout << "Зима";
break;
case 3:
case 4:
case 5:
cout << "Весна";
break;
case 6:
case 7:
case 8:
cout << "Лето";
break;
case 9:
case 10:
case 11:
cout << "Осень";
break;
default:
cout << "Введен неверный номер месяца!";
break;
}
return 0;
}
i: integer;
s: real;
begin
i := 2;
while(i <= 100) do
begin
//writeln(i, '/', i + 1);
s := s + (i / (i + 1));
i := i + 2;
end;
write(s);
end.