#include <bits/stdc++.h>
#define int long long
using namespace std;
int n,m;
vector<int>p;
vector<bool>vis;
vector<vector<int>>g;
void dfs(int x,int s){
    vis[x] = true;
    p[x] = s;

    for(auto r : g[x]){
        if(vis[r] == false){
            dfs(r,s);
        }
    }
}
void solve(){
    cin >> n >> m;
    p.resize(n + 1);
    g.resize(n + 1);
    vis.resize(n + 1);
    for(int i = 1;i <= m;i++){
        int u,v; cin >> u >> v;
        g[v].push_back(u);
    }
    for(int i = n;i >= 1;i--){
        if(vis[i] == false){
            dfs(i,i);
        }
    }
    for(int i = 1;i <= n;i++){
        cout << p[i] << " ";
    }
    return;
}
signed main(){
    int T = 1;
    while(T--){
        solve();
    }
    return 0;
}