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#include<bits/stdc++.h>

#define vi vector<int>
#define vvi vector<vi>
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vii vector<pii>
#define vll vector<pll>
#define vb vector<bool>
#define vvb vector<vb>
#define vl vector<ll>
#define endl '\n'
#define turbo ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define pb push_back
#define ll long long
#define f first
#define s second
#define mid (l+r)/2

using namespace std;

int n;
vll v;

bool czy(int x)
{
    ll sum = v[x].f;
    for(int i = 0; i < x; i++)
    {
        if(sum > v[i].f)
            sum+=v[i].f;
        else return false;
    }
    for(int i = x+1; i < n; i++)
    {
        if(sum > v[i].f)
            sum+=v[i].f;
        else return false;
    }
    return true;
}

int main()
{
    turbo
    cin >> n;
    v = vll(n);
    for(int i = 0; i < n; i++)
    {
        cin >> v[i].f;
        v[i].s = i;
    }
    sort(v.begin(), v.end());
    vector<char> res(n);
    int l = 0, r = n;
    while(l+1!=r)
    {
        if(czy(mid)) r = mid;
        else l = mid;
    }
    for(int i = 0; i <= l; i++)
        res[v[i].s] = 'N';
    for(int i = r; i < n; i++)
        res[v[i].s] = 'T';
    for(auto it : res)
        cout << it;
    cout << endl;
}