#include<bits/stdc++.h>
using namespace std;

int main()
{
    string s;
    cin >> s;
    string t;
    int idx = 0;
    while(s[idx] != '\0')
    {
        if(s[idx] == '-')
        {
            idx++;
            continue;
        }
        t += s[idx];
        idx++;
    }
    int sum = 0;
    for(int i = 0;i < 9;i++)
    {
        sum += (t[i] - '0') * 9;
    }
    sum %= 11;
    if(sum + '0' == t[9])
    {
        cout << "right";
    }
    else
    {
        for(int i = 0;i < s.size() - 1;i++)
        {
            cout << s[i];
        }
        cout << sum;
    }
}

WA紧急求救