#include<bits/stdc++.h>
using namespace std;
int aa[1001],bb[1001],cc[1001];
int main(){
	long long a,b,c,d,i=0,j=0,k=0,sa=0,sb=0,sc=0,sz=0,ii,jj,kk,aaa,bbb,ccc;
	scanf("%d-%3d-%5d-%c",&a,&b,&c,&d);
	aaa=a;
	bbb=b;
	ccc=c;
	if(a==0) sa=0,i=1;
	if(b==0) sb=0,j=1;
	if(c==0) sc=0,k=1;
	while(a>0){
		i++;
		aa[i]=a%10;
		a/=10;
	}
	ii=i;
	while(b>0){
		j++;
		bb[j]=b%10;
		b/=10;
	}
	jj=j;
	while(c>0){
		k++;
		cc[k]=c%10;
		c/=10;
	}
	kk=k;
	for(int x=ii;x>=1;x--){
		sa+=aa[x]*(ii+1-x);
	}
	for(int y=jj;y>=1;y--){
		sb+=bb[y]*(jj+ii+1-y);
	}
	for(int z=kk;z>=1;z--){
		sc+=cc[z]*(jj+ii+kk+1-z);
	}
	sz=sa+sb+sc;
	if(d>='0'&&d<='9'&&sz%11==d-'0'){
		cout<<"Right";
		return 0;
	}
	else if(sz%11==10&&d=='X'){
		cout<<"Right";
	} 
	else if(sz%11==10&&d!='X'){
		printf("%d-%3d-%5d-%c",aaa,bbb,ccc,'X');
	}
	else if(d>='0'&&d<='9'&&sz%11!=d-'0'){
		printf("%d-%3d-%5d-%d",aaa,bbb,ccc,sz%11);
	}//这几行顺序比较乱 
	return 0;
}