from collections import *

def f(x):
    if memo[x]!=-1:
        return memo[x]
    
    if x==0:
        return '{}'
    
    i = 0
    
    if x==N:
        s = set()
        
        while x:
            if x%2:
                s.add(f(i))
            x //= 2
            i += 1
        
        res = '{'+','.join(list(s))+'}'
    else:
        res = ['{']
        
        while x:
            if x%2:
                res.append(f(i))
                res.append(',')
            x //= 2
            i += 1
    
        res.pop()
        res.append('}')
        res = ''.join(res)
    
    memo[x] = res
    return res

N = int(input())
memo = defaultdict(lambda: -1)
print(f(N))