#include<bits/stdc++.h>
using namespace std;
int main(){
    int  i=0,x=1,sum=0;
    char sbm[14];
    for(i=1;i<=13;i++) cin>>sbm[i];
    i=1;
    while(i<=9){
        if(sbm[x]=='-') {
            x++;
            continue;
        }
        else {
            sum+=(sbm[x]-'0')*i;
            i++;
            x++;
        }
    }
    sum=sum%11;
    if(sum==sbm[13]-'0' || sum==10 && sbm[13]=='X') cout<<"Right";
    else {
        for(i=1;i<=12;i++) cout<<sbm[i];
        if(sum==10) cout<<"X";
        else cout<<sum;
    }
    return 0;
}