#include <bits/stdc++.h>
using namespace std;
char a,b,c,d,e,f,g,h,i,j;
int ans;
int main(void)
{
	scanf("%c-%c%c%c-%c%c%c%c%c-%c",&a,&b,&c,&d,&e,&f,&g,&h,&i,&j);
	ans=(a-'0')*1+(b-'0')*2+(c-'0')*3+(d-'0')*4+(e-'0')*5+(f-'0')*6+(g-'0')*7+(h-'0')*8+(i-'0')*9;
	ans%=11;
	if(j=='x' && ans==10 || ans==j-'0')
	printf("Right\n");
	else
	printf("%c-%c%c%c-%c%c%c%c%c-%c",a,b,c,d,e,f,g,h,i,ans==10?'X':ans+'0');
	return 0;
}