#include <bits/stdc++.h>
#include <atcoder/all>
#include <boost/polygon/point_data.hpp>
#include <boost/polygon/voronoi.hpp>
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define all(x) begin(x),end(x)
#define sz(x) (int)(x).size()
using namespace std;
using namespace atcoder;
using ll=long long;
using ld=long double;
using vll=vector<ll>;
using vvll=vector<vll>;
using vi=vector<int>;
using vvi=vector<vi>;
using pll=pair<ll,ll>;

// using mint=modint;

// using BoostPoint=boost::polygon::point_data<int>;
// using Voronoi=boost::polygon::voronoi_diagram<double>;

#line 2 "data-structure/union-find-with-potential.hpp"

template <class T>
struct UnionFindWithPotential {
  vector<int> dat;
  vector<T> pot;

  UnionFindWithPotential(int N) : dat(N, -1), pot(N, T()) {}

  int root(int x) {
    if (dat[x] < 0) return x;
    int r = root(dat[x]);
    pot[x] += pot[dat[x]];
    return dat[x] = r;
  }

  // return P(x) - P(root(x))
  T potential(int x) {
    root(x);
    return pot[x];
  }

  bool same(int x, int y) { return root(x) == root(y); }

  // return P(x) - P(y)
  T diff(int x, int y) {
    return potential(x) - potential(y);
  }

  // s.t. P(x) = P(y) + p
  // return Satisfiablility
  bool merge(int x, int y, T p) {
    p += potential(y) - potential(x);
    x = root(x), y = root(y);
    if (x == y) return p == T();
    if (dat[x] < dat[y]) swap(x, y), p = -p;
    dat[y] += dat[x];
    dat[x] = y;
    pot[x] = p;
    return true;
  }

  // return size of CC including x
  int size(int x) { return -dat[root(x)]; }
};

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

    ll N,Q;
    cin>>N>>Q;
    vll add(N,0);
    UnionFindWithPotential<ll>uf(N);
    while(Q--){
        ll t,a,b;
        cin>>t>>a>>b;
        --a;
        if(t==1){
            --b;
            ll x=uf.root(a),y=uf.root(b);
            if(x==y)continue;
            uf.merge(x,y,add[x]-add[y]);
        }else if(t==2){
            add[uf.root(a)]+=b;
        }else{
            cout<<add[uf.root(a)]+uf.potential(a)<<'\n';
        }
    }

}