```c
#include<iostream>
using namespace std;
int main(){
char a[14],mod[12]="0123456789X";
scanf("%s",a);
int i,j=1,t=0;
for(i=0;i<12;i++){
if(a[i]=='-') continue;
t+=(a[i]-48)*j++;
}
if(mod[t%11]==a[12])
cout<<"Right";
else{
a[12]=mod[t%11];
printf("%s",a);
}
return 0;
}
```
@[yyc1231](/user/1091120)
by liyandong @ 2024-01-07 21:28:39
ac得
by liyandong @ 2024-01-07 21:29:20