#include using namespace std; using ll =long long; #define all(v) v.begin(),v.end() #define rep(i,a,b) for(int i=a;i=b;i--) ll INF=2e18; int main() { ios::sync_with_stdio(false); cin.tie(0); ll N;cin>>N; vector> vec(N,vector (0)); for(ll i=0;i>u>>v; u--;v--; vec[u].push_back(v); vec[v].push_back(u); } for(ll i=0;i