// #include <bits/stdc++.h>
#include <string.h>

#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <chrono>
#include <ciso646>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <optional>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>

#define rep(i, l, r) for (int i = int(l), rr = int(r); i < rr; ++i)
#define repin(i, l, r) for (int i = int(l), rr = int(r); i <= rr; ++i)
#define rep0(i, n) rep(i, 0, n)
#define rrep(i, l, r) for (int i = int(r) - 1, ll = int(l); i >= ll; --i)
#define rrepin(i, l, r) for (int i = int(r), ll = int(l); i >= ll; --i)
#define rrep0(i, n) rrep(i, 0, n)

#define fi first
#define se second

#include <atcoder/dsu>

#include <algorithm>
#include <cassert>
#include <vector>

namespace rklib {

template <class T>
bool chmax(T &a, const T &b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

template <class T>
bool chmin(T &a, const T &b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}

template <class T>
bool chmin_non_negative(T &a, const T &b) {
    if (a < 0 || a > b) {
        a = b;
        return true;
    }
    return false;
}

template <class T>
T div_floor(T a, T b) {
    if (b < 0) a *= -1, b *= -1;
    return a >= 0 ? a / b : (a + 1) / b - 1;
}

template <class T>
T div_ceil(T a, T b) {
    if (b < 0) a *= -1, b *= -1;
    return a > 0 ? (a - 1) / b + 1 : a / b;
}

}  // namespace rklib


using namespace std;
using namespace rklib;

using lint = long long;
using pii = pair<int, int>;
using pll = pair<lint, lint>;

int main() {
    int n, q;
    scanf("%d%d", &n, &q);
    atcoder::dsu uf(n);
    set<int> roots;
    rep0(i, n) roots.insert(i);
    rep0(qq, q) {
        int type;
        scanf("%d", &type);
        if (type == 1) {
            int a, b;
            scanf("%d%d", &a, &b);
            --a;
            --b;
            roots.erase(uf.leader(a));
            roots.erase(uf.leader(b));
            roots.insert(uf.merge(a, b));
        } else {
            int v;
            scanf("%d", &v);
            --v;
            v = uf.leader(v);
            if (roots.size() == 1) {
                puts("-1");
            } else {
                printf("%d\n", *roots.begin() == v ? *roots.rbegin() + 1
                                                   : *roots.begin() + 1);
            }
        }
    }
}