#include<bits/stdc++.h>

using namespace std;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define pf push_front
#define LC k<<1
#define RC k<<1|1
#define IO cin.sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define all(x) (x).begin(), (x).end()
#define SZ(x) ((int)(x).size())
#define rep(i,a,n) for (int i = a; i < n; i++)
#define repn(i,a,n) for (int i = a; i <= n; i++)
#define per(i,a,n) for (int i = (n) - 1; i >= a; i--)
#define pern(i,a,n) for (int i = n; i >= a; i--)

typedef long long LL;
typedef long double LD;
typedef unsigned long long ull;
typedef pair<int, int> PII;
typedef pair<int, LL> PIL;
typedef pair<LL, int> PLI;
typedef pair<double, double> PDD;
typedef pair<ull, ull> PUU;
typedef pair<LL, LL> PLL;

const int N = 21000;
const int M = 510000;
const int mod = 1e9+7;
const int inf = (int)1e9;
const LL INF = 1e18;
const double eps = 1e-9;

mt19937_64 Rand((unsigned long long)new char);
#define rand Rand

int n, m;
int dfn[N], low[N], instack[N], scc[N], cnt, scc_cnt;
stack<int> st;
vector<int> g[N];
void tarjan(int x) {
	dfn[x] = low[x] = ++cnt;
	st.push(x);
	instack[x] = 1;
	for (auto y: g[x]) {
		if (dfn[y] == 0) {
			tarjan(y);
			low[x] = min(low[x], low[y]);
		}
		else if (instack[y]) low[x] = min(low[x], dfn[y]);
	}
	if (low[x]==dfn[x]) {
		++scc_cnt;
		while (!st.empty() && st.top() != x) {
			scc[st.top()] = scc_cnt;
			instack[st.top()] = 0;
			st.pop();
		}
		st.pop();
		scc[x] = scc_cnt;
		instack[x] = 0;
	}
}

int fa[N], col[N];
int ans[N], que[N], tail, tot;
int find(int x) {
	return fa[x] == x? x: fa[x] = find(fa[x]);
}
struct MCMF {
	// bfs, dinic
	// st must be the lowest index, ed must be the highest index
	int e[M], f[M], pre[M], last[N];
	int d[N], now[N];
	int num, st, ed, maxflow;
	queue<int> q;
	int left, right;
	void init() {
		num = 1;
		repn(i, st, ed) last[i] = 0;
		maxflow = 0;
	}
	void insert(int x, int y, int z) {
		e[++num] = y, f[num] = z, pre[num] = last[x], last[x] = num;
		e[++num] = x, f[num] = 0, pre[num] = last[y], last[y] = num;
	}
	bool bfs() {
	    memset(d, -1, sizeof(d));
	    d[st] = 0;
		q.push(st);
	    while(!q.empty()) {
	        int now = q.front();
	        for (int i = last[now]; i; i = pre[i]) if (f[i] && d[e[i]] == -1) {
	                d[e[i]] = d[now] + 1;
	                q.push(e[i]); 
	            }
	        q.pop();
	    }
	    if (d[ed] == -1) return 0;
		return 1;
	}
	int dfs(int x, int incf) {
	    if (x == ed) return incf;
	    int flow = 0, w;
	    for (int i = now[x]; i; i = pre[i]) if (f[i] && d[e[i]] == d[x] + 1) {
				w = dfs(e[i], min(incf - flow, f[i]));
	            f[i] -= w, f[i ^ 1] += w; flow += w;
	            if (f[i]) now[x] = i;
				if (flow == incf) {
					if (x == st) left = (e[i] + 1) / 2;
					if (e[i] == ed) right = (x + 1) / 2;
					return incf;
				}
	        }
	    if (!flow) d[x] = -1;
	    return flow;
	}
	void run() {
		while(bfs()) {
			repn(i, st, ed) now[i] = last[i];
			maxflow += dfs(st, 1);
			int fx = find(left), fy = find(right);
			fa[fx] = fy;
		}
	}
		
}solver;
int main() {
	IO;
	cin >> n >> m;
	repn(i, 1, m) {
		int x, y;
		cin >> x >> y;
		g[x].pb(y);
	}
	repn(i, 1, n) if (dfn[i] == 0) tarjan(i);
	solver.st = 0, solver.ed = scc_cnt * 2 + 1;
	solver.init();
	repn(i, 1, scc_cnt) {
		solver.insert(0, i * 2 - 1, 1), solver.insert(i * 2, scc_cnt * 2 + 1, 1);
		solver.insert(i * 2, i * 2 - 1, n);
	}
	repn(x, 1, n) for (auto y: g[x]) {
		if (scc[x] == scc[y]) continue;
		solver.insert(2 * scc[x] - 1, 2 * scc[y], n);
	}
	repn(i, 1, scc_cnt) fa[i] = i;
	solver.run();
	repn(i, 1, scc_cnt) if (!ans[find(i)]) ans[find(i)] = ++tot;
	repn(i, 1, n) cout << ans[find(scc[i])] << " \n"[i == n];
	return 0;
}