import sys
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 63 - 1
mod = 998244353

def solve(n):
    ans = ['{']
    for i in range(0, 20):
        now = 1 << i
        if n >= now and 1 & (n >> i):
            ans += solve(i) + [',']
    while ans[-1] == ',':
        ans.pop()
    ans.append('}')

    return ans

ans = solve(ii())

print(''.join(ans))