ka = []
a = 0
while True:
    try:
        ka.append(input())
    except:
        break
    else:
        ka.append(input())
def first(a):
    ka[a].replace("レ", "　")
    ka[a], ka[a+1] = ka[a+1], ka[a]
    return
if any("レ" in x for x in ka):
    a = next((x for x, y in enumerate(ka) if "レ" in y), None)
    print(a)
    if "二" or "レ" in ka[a+1]:
        pass
    else:
         first(a)
for a in range(len(ka)):
    print(ka[a][1:])