#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using namespace atcoder;

typedef modint998244353 mint;
typedef long long ll;

int main(){
	int n, q; cin >> n >> q;
	dsu uf(n);
	set<int> alive;
	for (int i=0; i<n; i++){
		alive.insert(i);
	}
	for (int i=0; i<q; i++){
		int t; cin >> t;
		if (t == 1){
			int u, v; cin >> u >> v;
			u--; v--;
			if (uf.same(u, v)) continue;
			int x = uf.leader(u);
			int y = uf.leader(v);
			alive.erase(x);
			alive.erase(y);
			uf.merge(u, v);
			int z = uf.leader(u);
			alive.insert(z);
		}else{
			int u; cin >> u;
			u--;
			auto itr = alive.begin();
			int k = *itr;
			if (k != uf.leader(u)){
				cout << k+1 << "\n";
				continue;
			}
			itr++;
			if (itr == alive.end()){
				cout << -1 << "\n";
				continue;
			}
			k = *itr;
			cout << k+1 << "\n";

		}
	}
}