/*

cd 9996-testcase
g++ -std=gnu++17 -O2 -o val_potato p_val_potato.cpp
for i in test_in/*;
do
	echo "processing $i ..."
	#sed -e 's/\r$//g' $i | ./val_potato > ans.txt
	./val_potato < $i > ans.txt
	diff ans.txt test_out/${i:8}
done
rm ans.txt
rm val_potato
cd ../

*/


#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
#include "testlib.h"
using namespace std;
using ll = long long;
#define all(p) p.begin(),p.end()
#define rep(i,a,b) for(int i=(int)a;i<(int)b;i++)
const int mod=998244353;

const int MIN_N=2,MAX_N=3e5;
const int MIN_Q=1,MAX_Q=3e5;
const ll MIN_C=1,MAX_C=1e15;
const int MIN_V=2;
const ll MIN_X=1,MAX_X=1e9;

int main(){
	registerValidation();
	const int N=inf.readInt(MIN_N,MAX_N);
	inf.readSpace();
	const int Q=inf.readInt(MIN_Q,MAX_Q);
	inf.readEoln();
	vector<int> A(N-1),B(N-1);
	vector<ll> C(N-1);
	vector<vector<int>> G(N);
	rep(i,0,N-1){
		A[i]=inf.readInt(1,N);
		inf.readSpace();
		B[i]=inf.readInt(1,N);
		inf.readSpace();
		C[i]=inf.readLong(MIN_C,MAX_C);
		inf.readEoln();
		A[i]--,B[i]--;
		G[A[i]].push_back(B[i]);
		G[B[i]].push_back(A[i]);
	}
	vector<int> order={0},depth(N),wei(N),pare(N,-1);
	pare[0]=-2;
	rep(i,0,N){
		//check connect
		ensure((int)order.size()>i);
		int a=order[i];
		for(auto b:G[a]){
			if(pare[b]==-1){
				pare[b]=a;
				order.push_back(b);
				depth[b]=depth[a]+1;
			}
		}
	}
	rep(i,0,N){
		int a=order[N-i-1];
		for(auto b:G[a]){
			if(pare[b]==a) wei[a]+=wei[b]; 
		}
		wei[a]++;
	}
	vector<ll> n_C(N),V(N);
	rep(i,0,N-1){
		if(depth[A[i]]>depth[B[i]]) swap(A[i],B[i]);
		n_C[B[i]]=C[i];
	}
	swap(n_C,C);
	bool q2=0;
	vector<bool> remain(N,1);
	rep(rp,0,Q){
		int t=inf.readInt(1,2);
		if(t==1){
			inf.readSpace();
			int u=inf.readInt(MIN_V,N);
			inf.readSpace();
			ll x=inf.readLong(MIN_X,MAX_X);
			u--;
			ensure(remain[u]);
			while(u){
				V[u]+=x;
				if(C[u]<=V[u]){
					int tmp=u;
					order={u};
					rep(i,0,(int)order.size()){
						int a=order[i];
						remain[a]=0;
						for(auto x:G[a]){
							if(remain[x]&&pare[x]==a) order.push_back(x);
						}
					}
					while(u){
						u=pare[u];
						V[u]+=x;
						V[u]-=V[tmp];
						wei[u]-=wei[tmp];
					}
					break;
				}
				u=pare[u];
			}
		}
		if(t==2){
			q2=1;
			cout<<wei[0]<<"\n";
		}
		inf.readEoln();
	}
	ensure(q2);
	inf.readEof();
}