#include <iostream>
#include <fstream>
#define N 20000
using namespace std;
int m,n,viz[N], a[N][N];
ifstream fin("sortaret.in");
ofstream fout("sortaret.out");
void citire()
{
    fin>>n>>m;
    for(int i=1;i<=m;i++)
    {
        int ad,b;
        fin>>ad>>b;
        a[ad][b]=1;
    }
}
void sorteaza()
{
    int i,j,k;
    for(int i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            if(viz[j]==0 && a[j][i]==0)
        {
            viz[j]=1;
            fout<<j<<" ";
            for(k=0;k<=n;k++)
                a[k][j]--;
                break;
        }
    }
}
int main()
{
   citire();
   sorteaza();
    return 0;
}