下放代码
c++
#include<iostream>
using namespace std;
int sum,k=1;
int main(){
string a;
cin>>a;
for(int i=0;i<a.size()-2;i++){
if(a[i]>='0'&&a[i]<='9')
sum+=(a[i]-'0')*k++;
}
sum%=11;
if(sum==a[a.size()-1]-'0'||(a[a.size()-1]=='X'&&sum==10))
cout<<"Right";
else{
cout<<a<<'\b';
if(sum==10)cout<<'X';
else cout<<sum;
}
return 0;
}