import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################
n = ni()

from functools import lru_cache
@lru_cache(maxsize=None)

def saiki(n):
    if n == 0:
        return "{}"
    ans = set()
    z = 0
    while n:
        if n&1:
            ans.add(saiki(z))
        z += 1
        n//=2

    return "{"+",".join(list(ans))+"}"
print(saiki(n))