from collections import deque
from random import randint
H = 60
W = 25
board = deque([[[-1, -1] for _ in range(W)] for _ in range(H)])
level = 1
power = 0
jiki_w = 12
def min_dist(w1, w2):
    if w1 == w2:
        return 0, 0
    if w1 < w2:
        if w2-w1 <= 12:
            return w2-w1, 1
        else:
            return 25-(w2-w1), 2
    if w1 > w2:
        if w1-w2 <= 12:
            return w1-w2, 2
        else:
            return 25-(w1-w2), 1
    return -1, -1
for turn in range(1000):
    board.popleft()
    board.append([[-1, -1] for _ in range(W)])
    
    N = int(input())
    if N==-1:
        exit()
    for _ in range(N):
        h, p, x = map(int, input().split())
        board[59][x] = [h, p]
    
    next_perf = 0
    next_w = randint(0, W-1)
    for w in range(W):
        is_first = True
        c_pow = 0
        c_turn = 0
        for h in range(H):
            hp, pow = board[h][w]
            if hp == -1:
                continue
            dist, d = min_dist(jiki_w, w)
            if not is_first:
                dist = 0
            a_turn = h-dist-c_turn
            if a_turn <= 0:
                break
            if a_turn*level < hp:
                break
            if is_first:
                gekiha_turn = dist + -(-hp//level)
            else:
                gekiha_turn = c_turn + -(-hp//level)
            perf = pow/gekiha_turn
            if perf > next_perf:
                next_perf = perf
                next_w = w
            c_pow += pow
            c_turn = gekiha_turn

    dist, d = min_dist(jiki_w, next_w)
    if d==1 and board[0][(jiki_w+1)%W][0] == board[1][(jiki_w+1)%W][0] == -1:
        print("R")
        jiki_w += 1
    elif d==2 and board[0][(jiki_w-1)%W][0] == board[1][(jiki_w-1)%W][0] == -1:
        print("L")
        jiki_w -= 1
    else:
        if board[1][jiki_w][0] > level:
            if board[0][(jiki_w-1)%W][0] == board[1][(jiki_w-1)%W][0] == -1:
                print("L")
                jiki_w -= 1
            elif board[0][(jiki_w+1)%W][0] == board[1][(jiki_w+1)%W][0] == -1:
                print("R")
                jiki_w += 1
            else:
                print("S")
        else:
            print("S")
    
    jiki_w %= W
    for h in range(H):
        if board[h][jiki_w][0] == -1:
            continue
        board[h][jiki_w][0] -= level
        if board[h][jiki_w][0] <= 0:
            power += board[h][jiki_w][1]
            level = 1+power//100
            board[h][jiki_w] = [-1, -1]
        break