C++ :

#include <iostream>
#include <string>

using namespace std;

void SeasonPrint (int month, int day)
{
	if (month == 1 || month == 2)
		cout << "Winter\n";
	else if (month == 4 || month == 5)
		cout << "Spring\n";
	else if (month == 7 || month == 8)
		cout << "Summer\n";
	else if (month == 10 || month == 11)
		cout << "Fall\n";
	else if (month == 3)
	{
		if (day < 21)
			cout << "Winter\n";
		else
			cout << "Spring\n";
	}
	else if (month == 6)
	{
		if (day < 21)
			cout << "Spring\n";
		else
			cout << "Summer\n";
	}
	else if (month == 9)
	{
		if (day < 21)
			cout << "Summer\n";
		else
			cout << "Fall\n";
	}
	else if (month == 12)
	{
		if (day < 21)
			cout << "Fall\n";
		else
			cout << "Winter\n";
	}
}

int main()
{
	int month, day;
	cin >> month >> day;
	SeasonPrint(month, day);
	return 0;
}