#include <bits/stdc++.h>
using namespace std;

int n;
string s;
vector<vector<int>> ans;

int main()
{
	cin >> n >> s;
	for(int i = n; i >= 1; --i)
	{
		int switches = 0;
		vector<bool> switched(n, false);
		vector<int> h;
		for(int j = 0; j < n && switches < i; ++j)
			if (s[j] == '1')
			{
				switched[j] = true;
				switches++;
				h.push_back(j);
			}

		if (switches < i)
		{
			for (int j = 0; j < n && switches < i; ++j)
				if (switched[j] == false)
				{
					switches++;
					h.push_back(j);
				}
		}

		assert(switches == i);
		sort(h.begin(), h.end());
		ans.push_back(h);
		for(auto j: h)
			s[j] ^= 1;
	}

	bool ok = 1;
	for(auto i: s) ok &= i == '0';
	if (!ok)
	{
		cout << "No" << endl;
		return 0;
	}

	cout << "Yes" << endl;
	reverse(ans.begin(), ans.end());
	for(auto i: ans)
	{
		for(auto j: i) cout << j + 1 << ' ';
		cout << endl;
	}

	return 0;
}