#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>
#include <string.h>
int main()
{
	int i = 0;
	int j = 0;
	int all = 0;
	char num[20];
	char arr[20] = { 0 };
	int max[20];
	scanf("%s", &num);
	int size = strlen(num);

	for (i = 0; i <= 13; i++)
	{
		if (num[i] == '-')
		{
			j++;
		}
		else
		{
			arr[i-j] = num[i];
		}
	}

	j = 0;
	for (i = 1; i < 10; i++)
	{
		max[i-1] = (arr[i-1]-'0') * i;
	}

	all = max[0] + max[1] + max[2] + max[3] + max[4] + max[5] + max[6] + max[7] + max[8];

	if (all % 11+'0' == arr[9])
	{
		printf("Right");
	}
	else
	{
		num[12] = all % 11+'0';
		for (i = 0; i < size; i++)
       {
			printf("%c", num[i]);
		}
	}
	return 0;
}