#include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long ll; typedef vector vl; typedef vector vvl; typedef vector vc; typedef vector vs; typedef vector vb; typedef vector vd; typedef pair P; typedef vector

vpl; typedef tuple tapu; #define rep(i,n) for(ll i=0; i<(n); i++) #define REP(i,a,b) for(int i=(a); i<(b); i++) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() const int inf = 1<<30; const ll linf = 1LL<<62; const int MAX = 1100000; ll dy[8] = {0,1,0,-1,1,-1,1,-1}; ll dx[8] = {1,0,-1,0,1,-1,-1,1}; const double pi = acos(-1); const double eps = 1e-7; template inline bool chmin(T1 &a,T2 b){ if(a>b){ a = b; return true; } else return false; } template inline bool chmax(T1 &a,T2 b){ if(a inline void print2(T1 a, T2 b){cout << a << " " << b << "\n";} template inline void print3(T1 a, T2 b, T3 c){ cout << a << " " << b << " " << c << "\n"; } const int mod = 1e9 + 7; //const int mod = 998244353; vl weight(505050,0); struct UnionFind{ vl p; vl rank; vl cnt; vvl v; vl w; UnionFind(ll n){ rank.resize(n,0); p.resize(n,0); cnt.resize(n,0); v.resize(n); w.resize(n,0); rep(i,n){ p[i] = i; rank[i] = 0; cnt[i] = 1; v[i].push_back(i); } } ll find(ll x){ if(x != p[x]) p[x] = find(p[x]); return p[x]; } bool same(ll x, ll y){ return find(x) == find(y); } void unite(ll x, ll y){ x = find(x); y = find(y); if(x == y) return; if(rank[x] > rank[y]){ p[y] = x; cnt[x] += cnt[y]; for(auto t : v[y]){ weight[t] += w[y] - w[x]; v[x].push_back(t); } }else{ p[x] = y; cnt[y] += cnt[x]; for(auto t : v[x]){ weight[t] += w[x] - w[y]; v[y].push_back(t); } if(rank[x] == rank[y]) rank[y]++; } } ll size(ll x){ return cnt[find(x)]; } }; int main(){ ll n,q; cin >> n >> q; UnionFind uf(n); while(q--){ int t,a,b; scanf("%d%d%d",&t,&a,&b); a--; if(t == 1) b--, uf.unite(a,b); else if(t == 2) uf.w[uf.find(a)] += b; else{ cout << uf.w[uf.find(a)] + weight[a] << "\n"; //print2(uf.find(a), weight[a]); } } }