#include <bits/stdc++.h>
using namespace std;

int main() {
	string a, ia;
	int cnt = 0, sum = 0;
	cin >> a;

	for (int i = 0; i < a.size(); i++) {
		if (a.find('-') != -1) {
			a.erase(a.find('-'), 1);
		}
	}

	for (int i = 0; i < 9; i++) {
		sum += (int)(a[i] - '0') % 10;
		a.erase(a[i], 1);
	}

	if (sum == a[9] - '0') {
		cout << "Right";
	} else {
		cout << sum;
	}
	return 0;
}