70pts求调

#include<bits/stdc++.h>
using namespace std;
int sum,n=13;
char a[15];
int main()
{
    for(int i=1;i<=n;i++) cin>>a[i];
    for(int i=1;i<=n;i++)
    {
        sum=(a[1]-'0')*1+(a[3]-'0')*2+(a[4]-'0')*3+(a[5]-'0')*4+(a[7]-'0')*5+(a[8]-'0')*6+(a[9]-'0')*7+(a[10]-'0')*8+(a[11]-'0')*9;
        if(sum%11==(a[13]-'0') || sum%11==10&&a[13]=='X')
        {
            cout<<"Right"; return 0;    
        }else{
            for(int i=1;i<=12;i++) cout<<a[i]; break; 
        }
    }
    cout<<sum%11;
    return 0;
}