#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001

vector<string> dp(1000005,"-1");

string get(int n){
	if(n==0)return (string)("{}");
	
	if(dp[n]!="-1")return dp[n];
	string ret = "{";
	rep(i,20){
		if((n>>i)&1){
			ret += get(i);
			ret += ',';
		}
	}
	ret.back()=  '}';
	dp[n] = ret;
	return ret;
}

int main(){
	int n;
	cin>>n;
	cout<<get(n)<<endl;
	
	
	return 0;
}