def yukicoder1264_010(N):
    if N == 0:
        ans = '1'
    elif N == 1:
        ans = '010'
    elif N % 2 == 0:
        ans = '010' * N
    else:
        ans = '010' * (N - 1) + '01'
    return ans


N = int(input())
print(yukicoder1264_010(N))