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#include<fstream>
#include<vector>
#include<bitset>
#define Sz 317
using namespace std;
ifstream fi("arbore.in");
ofstream fo("arbore.out");
vector<int> G[100005];
int n,m,i,tip,x,y,nrg,St[100005],Dr[100005],A[100005],ind,Val[100005],Sum[Sz+5];
bitset<100005> B[Sz+5];
void dfs(int nod, int p)
{
vector<int>::iterator it;
A[++ind]=nod;
St[nod]=ind;
for(it=G[nod].begin(); it!=G[nod].end(); it++)
if((*it)!=p)
dfs(*it,nod);
Dr[nod]=ind;
}
void upd(int st, int dr, int val)
{
int i;
int g=st/Sz;
for(i=st; i<min(Sz*(g+1),dr+1); i++)
{
B[g][Val[i]]=0;
Val[i]=Val[i]+val;
}
for(i=Sz*g; i<(g+1)*Sz; i++)
B[g][Val[i]]=1;
g++;
while(g<(dr/Sz))
{
Sum[g]+=val;
g++;
}
for(i=g*Sz; i<=dr; i++)
{
B[g][Val[i]]=0;
Val[i]=Val[i]+val;
}
for(i=Sz*g; i<(g+1)*Sz; i++)
B[g][Val[i]]=1;
}
int qry(int s)
{
int i,j;
for(i=0; i<=nrg; i++)
if(Sum[i]<=s && B[i][s-Sum[i]])
for(j=i*Sz; j<(i+1)*Sz; j++)
if(Val[j]+Sum[i]==s)
return A[j];
return -1;
}
int main()
{
fi>>n>>m;
for(i=1; i<n; i++)
{
fi>>x>>y;
G[x].push_back(y);
G[y].push_back(x);
}
dfs(1,0);
nrg=n/Sz;
for(i=0; i<=nrg; i++)
B[i][0]=1;
for(i=1; i<=m; i++)
{
fi>>tip>>x;
if(tip==1)
{
fi>>y;
upd(St[x],Dr[x],y);
}
else
fo<<qry(x)<<"\n";
}
fi.close();
fo.close();
return 0;
}