#include<stdio.h>
#include<stdlib.h>
char a[20];
int num[9];
char yan=0,bian;
int main()
 {
     freopen("1.in","r",stdin);
     freopen("1.out","w",stdout);
     int i,j=1;
    for(i=0;i<12;i++)
     {
     scanf("%c",&a[i]);
      if(a[i]!='-')
       num[j++]=a[i]-'0';
     }
     a[i]='\0';
    for(i=1;i<=9;i++)
         yan=(yan+num[i]*i)%11;
    if(yan!='X')
      yan=yan+'0';
     else
      yan='X';
    scanf("%c",&bian);
    if(bian==yan)
     printf("Right");
    else 
     printf("%s%c",a,yan);
    return 0;    
}