include <stdio.h>

int main() {

char a[14], b;
int n, t, p;
scanf("%s", a);
t = (a[0] - '0') * 1 + (a[2] - '0') * 2 + (a[3] - '0') * 3 + (a[4] - '0') * 4 + (a[6] - '0') * 5 + (a[7] - '0') * 6 +
    (a[8] - '0') * 7 + (a[9] - '0') * 8 + (a[10] - '0') * 9;
p = t % 11;
if (p == 10) {
	b = 'X';
}
if (p >= 0 && p <= 9) {
	b = p + '0';
}
if (a[12] == b) {
	printf("Right");
} else {
	a[12] = b;
	for (n = 0; n < 13; n++) {
		printf("%c", a[n]);
	}
}
return 0;

}