#include<bits/stdc++.h>
#define MAXN 200007
using namespace std;
int n,sz[MAXN],br,a,b,c;
vector<int> v[MAXN],ans;
bool ok;
char comp[MAXN],s;
void mark(int x,int p, char d){
if(br==0)return;
comp[x]=d; br--;
for(int i=0;i<v[x].size();i++){
if(v[x][i]==p)continue;
mark(v[x][i],x,d);
}
}
void dfs(int x,int p){
sz[x]=1;
for(int i=0;i<v[x].size();i++){
if(v[x][i]==p)continue;
dfs(v[x][i],x);
sz[x]+=sz[v[x][i]];
}
if(sz[x]>=a and n-sz[x]<=max(b,c) and ok){
br=a; mark(x,p,'a'); ok=false;
if(n-sz[x]<=b){br=b; mark(p,x,'b'); s='c';}
else {br=c; mark(p,x,'c'); s='b';}
}else if(sz[x]>=b and n-sz[x]<=max(a,c) and ok){
br=b; mark(x,p,'b'); ok=false;
if(n-sz[x]<=a){br=a; mark(p,x,'a'); s='c';}
else {br=c; mark(p,x,'c'); s='a';}
}else if(sz[x]>=c and n-sz[x]<=max(a,b) and ok){
br=c; mark(x,p,'c'); ok=false;
if(n-sz[x]<=b){br=b; mark(p,x,'b'); s='a';}
else {br=a; mark(p,x,'a'); s='b';}
}
}
vector<int> find_split(int N, int A, int B, int C,vector<int> p,vector<int> q){
n=N; a=A; b=B; c=C;
for(int i=0;i<n-1;i++){
p[i]++; q[i]++;
v[p[i]].push_back(q[i]);
v[q[i]].push_back(p[i]);
}
ok=true;
dfs(1,0);
ans.resize(n);
if(!ok)return ans;
for(int i=1;i<=n;i++){
if(comp[i]<'a' or comp[i]>'c')comp[i]=s;
ans[i-1]=comp[i]-'a'+1;
}
return ans;
}
/*
int main(){
find_split(9, 4, 2, 3, {0, 0, 0, 0, 0, 0, 1, 3, 4, 5}, {1, 2, 3, 4, 6, 8, 7, 7, 5, 6});
for(int i=0;i<ans.size();i++){
cout<<ans[i]<<" ";
}
}
*/
