ka = []
a = 0
while a == 0:
    try:
        ka.append(input())
    except:
        a=1
    else:
        ka.append(input())
b = 0
c = 0
for a in range(len(ka)):
    if ka[a][0] == "レ":
        c = 1
        continue
    elif ka[a][0] == "二":
        b = a
        c = 2
        continue
    print(ka[a][1:])
    if c == 1:
        print(ka[a-1][1:])
        c = 0
    elif c == 2 and ka[a][0] == "一":
        print(ka[b][1:])