1 #include <bits/stdc++.h>
 2 using namespace std;
 3 char s[13];
 4 int main()
 5 {
 6     cin>>s;
 7     char c;
 8     int ans=((int)(s[0]-'0')*1+(int)(s[2]-'0')*2+(int)(s[3]-'0')*3+(int)(s[4]-'0')*4+(int)(s[6]-'0')*5+(int)(s[7]-'0')*6+(int)(s[8]-'0')*7+(int)(s[9]-'0')*8+(int)(s[10]-'0')*9)%11;
 9     if(ans==10)
10     {
11         if(s[12]=='X')
12             cout<<"Right"<<endl;
13         else
14         {
15             s[12]='X';
16             for(int i=0;i<13;i++)
17                 cout<<s[i];
18         }
19     }
20     else
21     {
22         if(ans==(int)(s[12]-'0'))
23             cout<<"Right"<<endl;
24         else
25         {
26             s[12]=(char)(ans+'0');
27             for(int i=0;i<13;i++)
28                 cout<<s[i];
29         }
30     }
31     return 0;
32 }