import sys
input = sys.stdin.readline

n=int(input())


def calc(n):
    if n==0:
        return "{}"
    S=set()

    for i in range(31):
        if 2**i<=n and (2**i & n)!=0:
            S.add(i)

    ANS="{"
    S=list(S)
    for i in range(len(S)):
        x=S[i]
        ANS+=calc(x)

        if i!=len(S)-1:
            ANS+=","
    ANS+="}"

    return ANS
    

print(calc(n))