memory = list(input())
q = 'q1'
idx = 0
R, L, N = 1, -1, 0
table = {
    'q1': {}, 'q2':{}
}

while q != 'qT':
    sym, move, state = table[q][memory[idx]]
    memory[idx] = sym
    idx += move
    q = state

for i in memory:
    print(i, end='')