def reverse(riga):
    global e
    e = len(riga)
    global r
    r = []
    global siringa
    siringa = ""
    while e > 0:
        e = e - 1
        r.append(riga[e])
    for n in range(len(r)):
        siringa = siringa + r[n]
    print siringa
while 1:
    data = raw_input("> ")
    reverse(data)