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

ll a,b,c;
ll t;

int main()
{
	scanf ("%d-%d-%d-%c",&a,&b,&c,&t);
	ll d = b / 100;
	ll e = b / 10 % 10;
	ll f = b % 10;
	ll g = c / 10000;
	ll h = c / 1000 % 10;
	ll i = c / 100 % 10;
	ll j = c / 10 % 10;
	ll k = c % 10;
	ll l = d * 2;
	ll m = e * 3;
	ll n = f * 4;
	ll o = g * 5;
	ll p = h * 6;
	ll q = i * 7;
	ll r = j * 8;
	ll s = k * 9;
	ll ans = a + l + m + n + o + p + q + r + s;
	ll sum = ans % 11;
	if (sum == 10)
	    printf ("%d-%d-%d-X",a,b,c);
	else
	    if (sum == t)
	        printf ("Right");
	    else
            printf ("%d-%d-%d-%d",a,b,c,sum);
	return 0;
}