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#include<fstream>
#include<queue>
#define maxN 100001
using namespace std;
ifstream f("arbore.in");
ofstream g("arbore.out");
vector<int>v1[maxN],v[maxN];
int cost[maxN];
bool viz[maxN];
queue<int>q;
int p,n;
void solve1(int p,int s)
{
int cur;
fill(viz+1,viz+n+1,false);
q.push(p);
viz[p]=true;
while(!q.empty())
{
cur=q.front();
cost[cur]+=s;
q.pop();
for(int i=0;i<v[cur].size();i++)
if(viz[v[cur][i]]==0)
{
q.push(v[cur][i]);
viz[v[cur][i]]=1;
}
}
}
void dfs(int i)
{
viz[i]=true;
for(int j=0;j<v1[i].size();j++)
if(viz[v1[i][j]]==false)
{
v[i].push_back(v1[i][j]);
dfs(v1[i][j]);
}
}
int solve2(int s)
{
for(int i=1;i<=n;i++)
if(cost[i]==s)
return i;
return -1;
}
int main()
{
int a,b,p,s,i,m,t;
f>>n>>m;
for(i=1;i<=n-1;i++)
{
f>>a>>b;
v1[a].push_back(b);
v1[b].push_back(a);
}
dfs(1);
for(i=1;i<=m;i++)
{
f>>t;
if(t==1)
{
f>>p>>s;
solve1(p,s);
}
else
{
f>>s;
g<<solve2(s)<<'\n';
}
}
return 0;
}