#include <fstream>
#include <vector>
using namespace std;
ifstream fin("date.in");
ofstream fout("date.out");
struct muchie
{
    int i,j;
};
int A[50][50];//matricea de adiacenta
muchie M[1000];//vactorul muchiilor
vector<int> V[50];//listele de adiacenta
int n,m;//noduri/muchii

void citire()
{
   int x,y,i;
   fin>>n>>m;
   for(i=1;i<=m;i++)
   {
       fin>>x>>y;
       M[i].i=x; M[i].j=y;
       A[x][y]=A[y][x]=1;
       V[x].insert(V[x].end(),y); //V[x].push_back(y);
       V[y].insert(V[y].end(),x); //V[y].push_back(x);
   }
}

void afis()
{
    int i,j;
    fout<<"matricea de adiacenta:\n";
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        fout<<A[i][j]<<" ";
        fout<<endl;
    }
    fout<<"lista muchiilor:\n";
    for(i=1;i<=m;i++) fout<<M[i].i<<" "<<M[i].j<<endl;
    fout<<"lista vecinilor:\n";
    for(i=1;i<=n;i++)
    {
        fout<<i<<": ";
        for(j=0; j<V[i].size(); j++) fout<<V[i][j]<<" ";
        fout<<endl;
    }
}

int main()
{
    citire();
    afis();
    fin.close();
    fout.close();
    return 0;
}