#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;
}
