/*
 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠄⠒⠌⠔⣱⣒⣀⣄⡀⠀⠀⠒⠁⠛⠑⠆⠀⠊⠀⠠⠢⢰⠀⠀⠀⣀⡤⢖⣽⣾⣾⣿⣿⡿⣿⣿
 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠂⠀⠀⠀⠀⠀⠀⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠨⠤⢴⣾⣴⣾⣿⣿⢿⣿⣿⣿⣿⡿⠟
 ⠀⠀⠀⠀⠀⠀⠀⠀⢀⠈⠄⠀⢀⠀⠀⠀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠠⠀⠀⠀⠀⠀⠀⠀⠀⠈⠛⠿⣿⣷⣿⣻⣿⣿⡿⠛⠁⡀⠄
 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⡈⠁⣀⠡⠀⡁⠄⢤⡆⠀⡤⠀⡠⠀⠀⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠺⢿⣿⡿⠟⠋⠁⢀⠀⢂⠀⠄
 ⠀⠀⠀⠀⠀⠀⠀⠰⣒⠊⠁⠠⢀⠢⢁⠐⢆⡰⢯⡊⣆⠄⣀⣀⢀⡕⢀⠔⠀⢰⠂⠀⢀⠀⠀⠀⠀⠀⠀⢖⠋⠀⠠⠐⠈⡀⠐⡀⠄⠂
 ⠀⠀⠀⠀⠀⠀⠀⢀⣤⣛⠠⣑⡏⣰⡿⢺⢟⡭⠉⠙⡿⠐⢥⠀⠀⠀⠀⠀⠀⠈⢂⠐⠈⠀⠀⠀⠀⠀⠀⢢⡉⠠⠁⠐⠠⠐⠀⠄⠐⡀
 ⠀⠀⠀⠀⠀⠀⠀⣀⠔⠁⠠⢔⠣⢌⠢⡍⠈⠀⠀⠀⢠⠀⠀⠀⠀⠀⠄⠐⡄⠀⠀⠆⠀⠀⠀⠀⢀⢀⠠⡤⠽⠂⢀⠡⠐⠀⠡⠐⢀⠀
 ⠀⠀⠀⠀⠀⠀⠀⠉⠉⡹⠀⣤⠣⢌⢢⡁⠀⠀⠀⠀⢸⠀⠀⠀⠀⠀⠆⠀⢲⡀⠀⢠⠀⠂⠀⢔⣥⡛⢤⣶⣤⣐⠀⡀⠂⢁⠐⠀⠂⡀
 ⠀⠀⠀⠀⠀⠀⠀⠀⠴⠕⡇⢎⡗⣈⡲⠁⠀⠀⢀⡇⢸⠀⠀⠀⠀⠀⢸⠀⠀⠀⠀⢼⠀⠀⢀⡞⣥⣸⣜⣿⣳⠿⣮⣥⣶⣤⣂⠁⠐⠀
 ⠀⠀⠀⠀⠀⠀⠀⠀⢠⢴⣃⢸⣏⢍⣛⢣⡀⠀⠈⠳⢈⠀⠀⠀⠀⣀⠼⡤⠄⠈⠀⠀⠀⣾⢫⣟⣖⢸⣿⣿⣿⣻⡵⢯⣿⣿⣆⠉⠳⣶
 ⠴⢻⡒⢦⣠⣀⠤⢔⠈⢀⡀⢿⠽⡜⠟⠻⠿⠓⢤⣄⠘⢱⣤⡶⣛⣁⣤⣇⣠⡤⠀⠀⠀⡧⣾⣟⡿⢸⢛⢿⣿⣷⣻⢻⡾⣍⢏⠳⣄⠈
 ⠀⠀⠙⠃⠢⢈⠧⡀⢳⡀⢱⡀⢶⢣⡣⢍⢩⡘⠯⢽⠀⠘⠁⠒⠈⠉⠉⢛⠉⠀⠀⠀⠀⣧⡞⣯⣼⡯⢌⠎⣿⣷⢯⣟⡽⣿⢘⣿⣿⣷
 ⠀⠀⠀⠀⠀⠉⠰⠌⡆⣷⠈⡆⠉⢰⣷⣊⠴⠡⠎⡽⠀⠀⠀⠀⠀⠀⠀⢸⠀⠀⠀⠀⠀⢾⢻⣿⢹⠀⠈⢎⣿⣿⣻⢮⣟⣧⣿⣿⣿⢿
 ⡼⡳⡄⢀⡶⡀⠨⡁⠓⡄⡒⣏⣾⢻⣽⣷⡊⡕⢣⠹⢤⡤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡠⢟⣸⢿⢸⢀⠀⠘⣿⣿⣽⣻⢾⣽⡏⡕⣯⠞
 ⣙⠻⣧⢸⣗⣣⠀⢸⣴⣷⡟⣯⠷⠛⣼⡿⣿⡜⢤⠓⣼⠤⠄⠀⠠⠀⡀⠀⠀⠀⣠⠔⡱⣪⠞⠘⠈⠁⠀⠀⣿⣿⡷⣯⣟⣾⣗⢷⢸⡹
 ⠈⣽⡟⠈⠷⠏⢠⣟⣿⠗⠋⠁⠀⣼⡿⣽⣳⣿⣦⡙⣌⢒⠲⠲⠤⠀⠀⢀⡤⡚⡔⣊⡱⠋⡂⠀⠀⠀⠀⠀⣽⣿⣟⣷⣻⣞⣿⣸⠀⣹
 ⣴⡿⠗⣦⡀⠀⢠⡟⠁⠀⠀⠀⣼⡿⣽⣳⣿⣿⣿⣧⣜⢢⡆⣀⣀⡴⠞⣍⠲⡱⢘⡤⠁⡜⠀⠀⠀⡄⠀⠀⣾⣿⣿⣳⣟⣾⣻⣏⠀⢰
 ⡟⡴⢂⠈⢧⠜⣫⣾⣶⣄⠀⣸⣿⣽⣳⣯⣿⣿⣿⣿⣿⣏⠹⣹⣶⣉⠞⣠⢣⡕⠉⢀⣼⠃⠀⠀⠀⣻⡄⠀⣻⣿⣿⣿⣞⣷⣻⢿⣿⣦
 ⣇⠐⠠⡱⢢⣾⣿⣽⣟⣾⣷⣿⣳⢯⣷⡿⢸⣿⣿⣿⣿⣇⢣⠧⡈⠅⠉⠉⠁⠀⢀⣜⠆⠀⠀⠀⠀⢹⡜⣄⣻⣿⣿⣿⣞⡷⣯⣿⣿⣻
 ⢳⣭⠟⡠⣹⣿⣿⣟⣾⣿⣟⣷⣻⣯⣿⠋⢸⣿⣿⣿⣿⡷⢮⠥⢹⣆⠀⠀⠀⣔⣣⠾⠔⠒⠒⠚⠉⠉⠁⢀⣿⣿⣿⣿⣿⡽⣷⢯⣿⣿
 ⠀⣿⣸⣴⣿⣿⣳⣿⣿⣳⡿⣾⣽⣯⢻⠀⢸⣿⣿⣿⣿⣇⠻⠀⠀⠈⠁⠀⠈⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⣿⣿⣿⣻⣟⣷⣿
 ⣾⣿⣿⣿⣿⣽⣿⣟⣾⢿⣽⠟⣹⠁⢸⠀⢸⣿⣿⣿⣿⡇⣏⠀⠀⠀⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣄⡄⣿⣿⣿⣿⣿⣿⣿⣷⢿⣻⣾
 ⣿⣿⣿⣿⡿⣯⣷⡿⣯⡿⠋⠀⠀⠀⣸⠀⠰⣿⣿⣿⣿⣏⠼⠀⠀⠀⢰⠀⠀⠀⠀⠀⠀⠀⠀⢀⡄⠀⢠⣿⣿⣿⣿⣿⣿⠇⠻⣟⣯⣿
 ⣿⣿⣿⢯⣿⡿⣽⡿⠟⡃⠀⡀⠀⠀⡆⠀⠀⣿⣿⣿⣿⡧⢫⡅⠀⠀⠈⡄⠀⠀⠀⠀⠀⠀⠸⠃⠂⠀⣾⣿⣿⣿⣿⣿⡟⠀⡠⢹⢻⣿
 ⣿⣿⣽⣿⣿⠝⠁⠀⠀⢧⠀⡆⠀⠀⠀⠀⠀⣿⣿⣿⣿⣗⢣⢞⣄⠀⠀⢟⣆⠀⠀⠀⢠⠜⠁⠀⠀⣸⣿⣿⣿⣿⣿⡿⠁⠀⢇⢸⠀⠙
 */
// IAM Batman
//           Vengeance
//                    Maybe im the problem
#include <bits/stdc++.h>
#define ll long long
#define Time cerr << "Time Taken: " << (float)clock() / CLOCKS_PER_SEC << " Secs" \<< "\n";
#define ln cout << endl;
#define c(n) cout << n;
#define fix cout << fixed << setprecision(6);
#define sz(x) int(x.size())
#define loop(n) for (int i = 0; i < n; i++)
#define loop1(n) for (int i = 1; i <= n; i++)
#define vi vector<int>
#define vll vector<long long>
#define all(s) s.begin(), s.end()
#define srt(arr, n) sort(arr, arr + n);
#define prefixsum(arr, n)        \
    for (int i = 1; i <= n; i++) \
    {                            \
        arr[i] += arr[i - 1];    \
    }
#define upper(s) transform(all(s), s.begin(), ::toupper);
#define lower(s) transform(all(s), s.begin(), ::tolower);
#define pi 3.141592653
#define pb push_back
#define vc vector<char>

using namespace std;

void Bassel()
{
    ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);
#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
#endif
}

void solve()
{
    queue<int> q;
    int t;
    cin >> t;
    while (t--)
    {
        int a, b;
        cin >> a >> b;
        if (a == 1)
            q.push(b);
        else if (a == 2)
        {
            if (b == q.front())
                cout << "YES\n";
        }
        else
            cout << "NO\n";
        q.pop();
    }
}

int main()
{
    Bassel();
    queue<int> q;
    int t;
    cin >> t;
    for(int i=0; i<t; i++)
    {
        int a, b;
        cin >> a >> b;
        if (a == 1)q.push(b);
        else if (a == 2)
        {
            if (b == q.front())
                cout << "YES\n";
        }
        else
            cout << "NO\n";
        q.pop();
    }

    return 0;
}