...

#include<bits/stdc++.h>
using namespace std;
int main(){
int t;
int sum = 0;
string a;
cin >> a;
if(a[12] != 'X') t = a[12] - '0';
else t = 10;
int cnt = 1;
for(int i = 0;i <= 11;i++){
if(a[i] == '-') continue;
sum += (a[i]-'0') * cnt;
cnt++;
}
if(sum % 11 == t) cout << "Right";
else{
for(int i = 0;i <= 11;i++) cout << a[i];
if(sum % 11 != 10) cout << sum % 11;
else cout << 'X';
}
return 0;
}