#include <stdio.h>
#include <string.h>

int main(void)
{
	char ans[12], tmp;
	int m, a, top, length, i, j;
	scanf("%d", &m);
	for (i = 0; i < m; ++i) {
		scanf("%d", &a);
		top = 0;
		do {
			if (a % 2) ans[top] = 'L';
			else {
				ans[top] = 'R';
				--a;
			}
			++top;
		} while (a /= 2);
		ans[top] = '\0';
		length = strlen(ans);
		for (j = 0; j < length / 2; ++j) {
			tmp = ans[j];
			ans[j] = ans[length - j - 1];
			ans[length - j - 1] = tmp;
		}
		puts(ans);
	}
	return 0;
}