#pragma GCC target("avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	int N, Q;
	cin >> N >> Q;
	vector<int> leader(N);
	vector<vector<int>> group(N, vector<int>());
	set<int> ls;
	for( int i = 0; i < N; i++ ) {
		leader[i] = i;
		group[i].push_back(i);
		ls.insert(i);
	}
	while(Q--) {
		int t;
		cin >> t;
		if( t == 1 ) {
			int u, v;
			cin >> u >> v;
			u--, v--;
			if( leader[u] != leader[v] ) {
				u = leader[u], v = leader[v];
				if( group[u].size() > group[v].size() ) swap(u, v);
				ls.erase(u);
				for( int& x : group[u] ) {
					leader[x] = v;
					group[v].push_back(x);
				}
			}
		}else {
			int u;
			cin >> u;
			u--;
			if( ls.size() == 1 ) {
				cout << -1 << endl;
			}else {
				if( leader[u] == *ls.begin() ) {
					cout << *next(ls.begin())+1 << endl;
				}else {
					cout << *ls.begin()+1 << endl;
				}
			}
		}
	}
}