#include <iostream>
#include <vector>
#include <set>
#include <queue>
#include <stack>
#include <math.h>
#include <cassert>
#include <bitset>
#include <map>
#include <algorithm>
#include <iterator>
#include <string>
#include <utility>
#include <numeric>
#include <regex>
#include <complex>
#include <atcoder/all>
using namespace atcoder;
using namespace std;
using ll=long long;
using ull=unsigned long long;
using P=pair<ll,ll>;
template<typename T>using minque=priority_queue<T,vector<T>,greater<T>>;
template<typename T>bool chmax(T &a,const T &b){return (a<b?(a=b,true):false);}
template<typename T>bool chmin(T &a,const T &b){return (a>b?(a=b,true):false);}
template<typename T1,typename T2>
ostream &operator<<(ostream &os,const pair<T1,T2>&p){
  os<<p.first<<" "<<p.second;
  return os;
}
template<typename T1,typename T2>
istream &operator>>(istream &is,pair<T1,T2>&p){
  is>>p.first>>p.second;
  return is;
}
template<typename T>
istream &operator>>(istream &is,vector<T> &a){
  for(auto &i:a)is>>i;
  return is;
}
#define reps(i,a,n) for(int i=(a);i<(n);i++)
#define rep(i,n) reps(i,0,n)
#define all(x) x.begin(),x.end()
ll myceil(ll a,ll b){return (a+b-1)/b;}
int main(){
  int n,q;
  cin>>n>>q;
  dsu uf(n);
  set<int>s;
  rep(i,n)s.insert(i);
  while(q--){
    int t;
    cin>>t;
    if(t==1){
      int u,v;
      cin>>u>>v;
      u--,v--;
      u=uf.leader(u),v=uf.leader(v);
      if(uf.same(u,v))continue;
      s.erase(u),s.erase(v);
      uf.merge(u,v);
      s.insert(uf.leader(u));
    }
    else{
      int u;
      cin>>u;
      u--;
      u=uf.leader(u);
      if(s.size()==1)cout<<"-1\n";
      else{
        int ans;
        for(auto i:s){
          if(uf.same(i,u))continue;
          ans=i;
          break;
        }
        cout<<ans+1<<endl;
      }
    }
  }
}