#include <iostream>
#include <string>
using namespace std;
int main()
{
	string name[2];
	int yp[2];
	char h[2];
	for (int i = 0; i < 2; i++)
	{
		cin >> name[i] >> yp[i] >> h[i];
	}



	if ((h[0] == 'R' && h[1] == 'P') || (h[0] == 'C' && h[1] == 'R') || (h[0] == 'P' && h[1] == 'C'))
	{
		if (yp[0] > yp[1])
		{
			cout << name[0] << endl;
		}

		else cout << name[1] << endl;
	}

	else if ((h[0] == 'R' && h[1] == 'C') || (h[0] == 'C' && h[1] == 'P') || (h[0] == 'P' && h[1] == 'R'))
	{
		if (yp[0] < yp[1])
		{
			cout << name[1] << endl;
		}

		else cout << name[0] << endl;
	}

	else
	{
		if (yp[0] < yp[1])
		{
			cout << name[1] << endl;
		}

		else if (yp[0] > yp[1])
		{
			cout << name[0] << endl;
		}

		else
		{
			cout << "-1" << endl;
		}
	}

	return 0;
}