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#include<fstream>
#include<vector>
#include<cmath>
#include<bitset>
#include<algorithm>
using namespace std;
ifstream f("arbore.in");
ofstream g("arbore.out");
vector<int>a[100002];
int v[100002],dim[100002],k,poz[100002],r,s[100002],w[100002],n;
bool fv[320][100002];
void dfs(int x,int tata)
{
int i,l=a[x].size();
v[++k]=x;
poz[x]=k;
dim[x]=1;
for(i=0;i<l;i++)
if(a[x][i]!=tata)
{
dfs(a[x][i],x);
dim[x]+=dim[a[x][i]];
}
}
void update(int x,int y)
{
x=poz[x];
int i,st=(x-1)/r+1,dr=(x+dim[x]-1-1)/r+1;
for(i=st+1;i<=dr-1;i++)
s[i]+=y;
for(i=x;i<=min(x+dim[x]-1,st*r);i++)
{
// fv[st][w[v[i]]]=0;
w[v[i]]+=y;
fv[st][w[v[i]]]=1;
}
for(i=max(x,(dr-1)*r)+1;i<=x+dim[x]-1;i++)
{
//fv[dr][w[v[i]]]=0;
w[v[i]]+=y;
fv[dr][w[v[i]]]=1;
}
}
int query(int x)
{
int i,j;
for(i=1;i<=r;i++)
if(fv[i][x-s[i]]!=0)
{
for(j=(i-1)*r+1;j<=i*r;j++)
if(w[v[j]]+s[i]==x)
return v[j];
}
for(i=r*r+1;i<=n;i++)
if(w[v[i]]==x)
return v[i];
return -1;
}
int main()
{
int m,x,y,p,i;
f>>n>>m;
for(i=1;i<n;i++)
{
f>>x>>y;
a[x].push_back(y);
a[y].push_back(x);
}
dfs(1,0);
r=sqrtl(n);
for(i=1;i<=r;i++)
fv[i][0]=1;
for(i=1;i<=m;i++)
{
f>>p;
if(p==1)
{
f>>x>>y;
update(x,y);
}
else
{
f>>x;
g<<query(x)<<'\n';
}
}
return 0;
}