import sys

def solve():
    m = int(input())

    for q in range(m):
        a = int(input()) + 1
        ans = ['L' if b == '0' else 'R' for b in bin(a)[3:]]
        print(''.join(ans))

def debug(x, table):
    for name, val in table.items():
        if x is val:
            print('DEBUG:{} -> {}'.format(name, val), file=sys.stderr)
            return None

if __name__ == '__main__':
    solve()