#include<stdio.h>

int main()

{

    char ch[100]={0};

    int sum,i;

    while(scanf("%s",ch)!=EOF)

    {

        i=0;

        sum=0;

        sum=sum+(ch[i]-'0');

        for(i=2;i<5;i++)

        {

            sum=sum+((ch[i]-'0')*i);

        }

        for(i=6;i<11;i++)

        {

            sum=sum+((ch[i]-'0')*(i-1));

        }

        sum=sum%11;

        if(sum==10)

        {

            if(ch[12]=='X')

                printf("Right\n");

            else{

                    ch[12]='X';

            printf("%s\n",ch) ;

             }

        }

       else if(sum==(ch[12]-'0'))

        printf("Right\n");

        else

        {

            ch[12]=(char)(sum+'0');

            printf("%s\n",ch);

 

        }

    }return 0;

}
/**************************************************************
	Problem: 1798
	User: admin
	Language: C
	Result: Accepted
	Time:52 ms
	Memory:1144 kb
****************************************************************/