#include <bits/stdc++.h>
using namespace std;
#define int long long
const int maxn = 2e5 + 5;
vector<int> adj[maxn];
vector<int> radj[maxn];
signed main(){
int n, m;
cin >> n >> m;
bool bb = true;
for (int i = 0; i < m; i++) {
int u, v;
cin >> u >> v;
if(u + 1 != v) bb = false;
adj[u].push_back(v);
radj[v].push_back(u);
}
if(m == n - 1 and bb) {
vector<int> dp(n);
dp[n - 1] = 0;
for (int i = n - 2; i >= 0; i--) {
dp[i] = max(i, dp[i + 1] + 1);
}
for (int i = 0; i < n-1; i++) cout << dp[i] << ' ';
return 0;
}
queue<int> q;
vector<int> dist(maxn, 1e18);
dist[0] = 0;
q.push(0);
while(!q.empty()) {
int u = q.front();
q.pop();
for (int v: adj[u]) {
if(dist[v] == 1e18) {
dist[v] = dist[u] + 1;
q.push(v);
}
}
}
for (int i = 0; i < n-1; i++) {
cout << max(1LL, dist[i]) << ' ';
}
}