#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic warning "-Wunused-function"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, q;
  cin >> n >> q;
  dsu d(n);
  int i = 1;
  while(q--) {
    int type;
    cin >> type;
    if (type == 1) {
      int u, v;
      cin >> u >> v;
      u--, v--;
      d.merge(u, v);
    } else {
      int v;
      cin >> v;
      v--;
      while(i < n && d.same(0, i)) i++;
      if (i == n) {
        cout << -1 << '\n';
      } else {
        cout << (!d.same(0, v) ? 0 : i) + 1 << '\n';
      }
    }
  }
}