#include <bits/stdc++.h>
using namespace std;
ifstream f("sortaret.in");
ofstream g("sortaret.out");
int start[100005], t[2][400005], x[100005], viz[100005],ff[100005];
int n, m, pr, ul, nr, sursa,timp;
void citire(){
    f>>n>>m;
    int k, i, j, l;
    k=0;
    for(l=1;l<=m;l++){
        f>>i>>j;
        if(i!=j){
            k++;
            t[0][k]=j;
            t[1][k]=start[i];
            start[i]=k;
        }
    }
}
void DFS(int vf){
    viz[vf]=1;
    for(int i=start[vf]; i; i=t[1][i]){
        if(viz[t[0][i]]==0){
            DFS(t[0][i]);
        }
    }
    timp++;
    ff[vf]=timp;
}
int main()
{
    citire();
    int nc=0,i,t=0;;
    for(i=1;i<=n;i++)
        if(viz[i]==0){
            DFS(i);
        }

    for(i=1;i<=n;i++){
        x[n+1-ff[i]]=i;
    }
    for(i=1;i<=n;i++)
        g<<x[i]<<" ";
    return 0;
}