```cpp
#include<bits/stdc++.h>
using namespace std;
string s;
int t=1;
long long sum;
int main(){
cin>>s;
for(int i=0;i<12;i++){
if(s[i]-'0'>=0&&s[i]-'0'<=9){
sum+=(s[i]-'0')*t;
t++;
}
}
sum=sum%11;
if(sum==10){
if(s[12]=='X')
cout<<"Right";
else{
for(int i=0;i<12;i++)
cout<<s[i];
cout<<'X';
}
}
else{
if(s[12]-'0'==sum)
cout<<"Right";
else{
for(int i=0;i<12;i++)
cout<<s[i];
cout<<sum;
}
}
return 0;
}
```
by ZhuZining_king @ 2023-08-18 09:58:37
不能暴力枚举吧
by Rosy1 @ 2023-08-19 20:02:55