#include<stdio.h>
int main(){
int a,b,c,d;
int b1,b2,b3;
int c1,c2,c3,c4,c5
char i,j,k;
double number;
int m;
scanf("%d%c%d%c%d%c%d",&a,&i,&b,&j,&c,&k,&d);
b3=b%10;
b=b/10;
b2=b%10;
b=b/10;
b2=b;
c5=c%10;
c=c/10;
c4=c%10;
c=c/10;
c3=c%10;
c=c/10;
c2=c%10;
c=c/10;
c1=c;
number=a*1+b1*2+b2*3.0+b3*4.0+c1*5.0+c2*6.0+c3*7.0+c4*8.0+c5*9.0;
number=number%11;
m=(int)number*10;
if(m==d){
printf("Right");
}else{
printf("%d%c%d%c%d%c%d", a, i, b, j, c, k, m);
}
return 0;
}