#include<iostream>
#include<cstdio>
#include<algorithm>
#include<vector>
#define N 100000
#define inf 1e9
using namespace std;
int read()
{
    char c=0;
    int sum=0;
    while (c<'0'||c>'9') c=getchar();
    while ('0'<=c&&c<='9') sum=sum*10+c-'0',c=getchar();
    return sum;
}
struct reads
{
    int num,data,cl;
    bool operator < (const reads &t)const
    {
	return data>t.data;
    }
};
vector<reads>E[N+1];
vector<reads>p[N+1];
vector<int>v[N+1];
reads st[N+1],st2[N+1];
int n,q,length,length2,rt,smz,c[N+1],sz[N+1],szt[N+1],maxp[N+1],ans[N+1];
long long depth[N+1];
char cs[N+1];
bool used[N+1],vis[N+1];
void add(int x,int y,int z,int w)
{
    E[x].push_back((reads){y,z,w}),E[y].push_back((reads){x,z,w});
    return;
}
void get_rt(int x)
{
    vis[x]=sz[x]=1,maxp[x]=0;
    for (int i=0;i<E[x].size();++i)
	if (!used[E[x][i].num]&&!vis[E[x][i].num])
	    get_rt(E[x][i].num),sz[x]+=sz[E[x][i].num],maxp[x]=max(maxp[x],sz[E[x][i].num]);
    maxp[x]=max(maxp[x],smz-sz[x]);
    if (maxp[x]<maxp[rt]) rt=x;
    vis[x]=0;
    return;
}
void dfs2(int x)
{
    vis[x]=szt[x]=1;
    for (int i=0;i<p[x].size();++i)
	if (p[x][i].data>=depth[x])
	    st[++length]=(reads){p[x][i].num,p[x][i].data-depth[x]};
    for (int i=0;i<E[x].size();++i)
	if (!used[E[x][i].num]&&!vis[E[x][i].num])
	{
	    depth[E[x][i].num]=depth[x]+E[x][i].data;
	    for (int j=0;j<v[E[x][i].cl].size();++j)
		if (depth[E[x][i].num]<=(int)(inf))
		    st2[++length2]=(reads){v[E[x][i].cl][j],depth[E[x][i].num]};
	    dfs2(E[x][i].num),szt[x]+=szt[E[x][i].num];
	}
    vis[x]=0;
    return;
}
int lowbit(int x)
{
    return x&(-x);
}
void add(int x,int d)
{
    for (;x<=n;x+=lowbit(x)) c[x]+=d;
    return;
}
int query(int x)
{
    int res=0;
    for (;x>=1;x-=lowbit(x)) res+=c[x];
    return res;
}
void solve(int x)
{
    int ps=0;
    length=length2=0,depth[x]=0,dfs2(x),sort(st+1,st+length+1),sort(st2+1,st2+length2+1);
    for (int i=1;i<=length2;++i)
    {
	while (ps+1<=length&&st[ps+1].data>=st2[i].data) ++ps,add(st[ps].num,1);
	ans[st2[i].num]+=query(st2[i].num);
    }
    for (int i=1;i<=ps;++i) add(st[i].num,-1);
    used[x]=1;
    for (int i=0;i<E[x].size();++i)
	if (!used[E[x][i].num])
	{
	    length=length2=ps=0,dfs2(E[x][i].num),sort(st+1,st+length+1),sort(st2+1,st2+length2+1);
	    for (int j=1;j<=length2;++j)
	    {
		while (ps+1<=length&&st[ps+1].data>=st2[j].data) ++ps,add(st[ps].num,1);
		ans[st2[j].num]-=query(st2[j].num);
	    }
	    for (int j=1;j<=ps;++j) add(st[j].num,-1);
	    length2=0;
	    for (int j=0;j<v[E[x][i].cl].size();++j)
		if (depth[v[E[x][i].cl][j]]<=(int)(inf))
		    st2[++length2]=(reads){v[E[x][i].cl][j],0};
	    for (int j=1;j<=length2;++j)
	    {
		while (ps+1<=length&&st[ps+1].data>=st2[j].data) ++ps,add(st[ps].num,1);
		ans[st2[j].num]+=query(st2[j].num);
	    }
	    for (int j=1;j<=ps;++j) add(st[j].num,-1);
	}
    for (int i=0;i<E[x].size();++i)
	if (!used[E[x][i].num])
	    rt=0,smz=szt[E[x][i].num],get_rt(E[x][i].num),solve(rt);
    return;
}
int main()
{
    int x,y,z,k;
    n=read(),maxp[0]=inf;
    for (int i=1;i<=n-1;++i) x=read(),y=read(),z=read(),add(x,y,z,i);
    q=read();
    for (int i=1;i<=q;++i)
    {
	cin>>cs[i];
	if (cs[i]=='+') x=read(),k=read(),p[x].push_back((reads){i,k});
	else x=read(),v[x].push_back(i);
    }
    smz=n,get_rt(1),solve(rt);
    for (int i=1;i<=q;++i)
	if (cs[i]=='?')
	    printf("%d\n",ans[i]);
    return 0;
}