#include <fstream>
using namespace std;

ifstream cin("sortaret.in");
ofstream cout("sortaret.in");

int a[1005] , b[1005] , f[1005];

int main()
{
    int n , m;
    cin >> n >> m;
    for(int i = 1 ; i <= m ; i++)
    {
        cin >> a[i] >> b[i];
        f[b[i]]++;
    }
    for (int i = 1; i <= n; i ++)
    {
        int j = 1;
        while(f[j])  j++;
        cout << j << ' ';
        int nr = j;
        f[nr] = -1;

        for (j = 1; j <= n; j ++)
            if (f[j] != -1)f[j] = 0;

        for (j = 1; j <= m; j ++)
            if (a[j] == nr)  a[j] = b[j] = 0;
        for (j = 1; j <= m; j ++) f[b[j]]++;
    }
    return 0;
}