#include <iostream>
#include <fstream>
#include <vector>
using namespace std;

vector <int> a[500001];
int npr[500001];

int main()
{
    fstream f("sortaret.in",ios::in);
    int n,m,i,x,y;
    f>>n>>m;
    for(i=1;i<=m;i++)
    {
        f>>x>>y;
        npr[y]++;
        a[x].push_back(y);
    }
    vector <int>::iterator ii;
    int k;
    f.close();
    f.open("sortaret.out",ios::out);
    for(i=1;i<=n;i++)
    {
        k=1;
        while(npr[k])k++;
        f<<k<<" ";
        npr[k]=-1;
        for(ii=a[k].begin();ii!=a[k].end();++ii)
                npr[*ii]--;
    }
    return 0;
}