#include<bits/stdc++.h>
using namespace std;
int main(){
	string a;
	cin >>a;
	int num=(a[0]-'0')*1+(a[2]-'0')*2+(a[3]-'0')*3+(a[4]-'0')*4+(a[6]-'0')*5+(a[7]-'0')*6+(a[8]-'0')*7+(a[9]-'0')*8+(a[10]-'0')*9;
    num%=11;
    if(a[12]-'0'==num){
        cout<<"Right";
    }
    else{
        a[12]=num+'0';
        cout<<a;
    }
	return 0;
}