import sys
sys.setrecursionlimit(10**6)

memo = {0: '{}'}
def rec(x):
    if x in memo:
        return memo[x]
    res = '{'
    digit = 0
    xc = x
    while xc != 0:
        xc, r = divmod(xc, 2)
        if r == 1:
            res += rec(digit) + ','
        digit += 1
    if res[-1] == ',':
        res = res[:-1]
    res += '}'
    memo[x] = res
    return res

n = int(input())
print(rec(n))