#include <iostream>
#include <iomanip>
using namespace std;
int n,m,i,j,a,A[101][101],eul[101],sf;
void unCiclu(int indice)
    {
        int k;
        for(k=1;k<=n;k++)
        {
            if(A[eul[indice]][k]==1)
            {
                A[eul[indice]][k]=0;
                A[k][eul[indice]]=0;
                sf++;
                for(int i=sf;i>indice;i--)
                    eul[i]=eul[i-1];
                eul[++indice]=k;
                unCiclu(indice);
            }
        }
    }
int main()
{
    cout<<"n="; cin>>n;
    cout<<"m="; cin>>m;
    for(a=1;a<=m;a++)
    {
        cin>>i>>j;
        A[i][j]=1;
        A[j][i]=1;
        cout<<endl;
    }
    cout<<"MATRICEA DE ADIACENTA ESTE: \n";
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            cout<<setw(n)<<A[i][j];
        cout<<endl;
    }
    eul[1]=1;
    sf=1;
    for(i=1;i<=eul[i];i++)
        unCiclu(i);
    cout<<endl;
    for(i=1;i<=sf;i++)
        cout<<eul[i]<<"  ";
    return 0;
}