#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001

int main(){
	
	int n,q;
	cin>>n>>q;
	
	vector<int> ls(n);
	rep(i,n)ls[i] = i;
	dsu D(n);
	rep(i,q){
		int t;
		cin>>t;
		if(t==1){
			int u,v;
			cin>>u>>v;
			u--,v--;
			D.merge(u,v);
		}
		else{
			int x;
			cin>>x;
			x--;
			if(D.size(x)==n){
				cout<<-1<<endl;
			}
			else{
				while(true){
					int a = ls.back();
					ls.pop_back();
					int b = ls.back();
					ls.pop_back();
					if(D.leader(a)!=a){
						ls.push_back(b);
						continue;
					}
					if(D.leader(b)!=b){
						ls.push_back(a);
						continue;
					}
					if(D.same(a,x))cout<<b+1<<endl;
					else cout<<a+1<<endl;
					ls.push_back(a);
					ls.push_back(b);
					break;
				}
			}
		}
	}
		
	
	return 0;
}