#include <fstream>
#include <iostream>
using namespace std;
int a[10][10],n,m;
fstream f("graf3.txt",ios::in);
void citeste()
{int k,i,j; f>>n>>m;
for(k=1;k<=m;k++) {f>>i>>j; a[i][j]=1; a[j][i]=1;}
f.close();}
void vecini (int i)
{for(int j=1;j<=n;j++) if(a[i][j]==1) cout<<j<<" ";}
int main()
{int i; citeste();cout<<"Vecinii fiecarui nod sunt; "<<endl;
for(i=1;i<=n;i++) {cout<<"Nodul "<<i<<": "; vecini(i);cout<<endl;}}