#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>

using namespace std;
string str;
int t = 1, sum = 0, sbm;
int main(){
	getline(cin, str);
	for (int i = 0; i < 12; i ++){
		if (str[i] == '-')	continue;
		sum += (int(str[i]) - 48) * t;
		t ++;
	}
	sbm = sum % 11;
	if (sbm == int(str[12]) - 48)
		cout << "Right";
	else
	{
		for (int i = 0; i < 12; i ++)
			cout << str[i];
		cout << sbm;
	}
	return 0;
}

搞不懂哪里错了