#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC target("sse4")
const char nl = '\n';
using namespace std;
using ll = long long;
using vi = vector<int>;
using vl = vector<ll>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using str = string;
str to_string(char c) { return str(1, c); }
str to_string(bool b) { return b ? "true" : "false"; }
str to_string(const char* second) { return (str)second; }
str to_string(str second) { return second; }
template <class A>
str to_string(complex<A> c) {
  stringstream ss;
  ss << c;
  return ss.str();
}
str to_string(vector<bool> v) {
  str res = "{";
  for (int i = 0; i < (int)v.size(); i++) res += char('0' + v[i]);
  res += "}";
  return res;
}
template <size_t SZ>
str to_string(bitset<SZ> b) {
  str res = "";
  for (int i = 0; i < b.size(); i++) res += char('0' + b[i]);
  return res;
}
template <class A, class B>
str to_string(pair<A, B> p);
template <class T>
str to_string(T v) {
  bool fst = 1;
  str res = "{";
  for (const auto& x : v) {
    if (!fst) res += ", ";
    fst = 0;
    res += to_string(x);
  }
  res += "}";
  return res;
}
template <class A, class B>
str to_string(pair<A, B> p) {
  return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}
void DBG() { cerr << "]" << endl; }
template <class H, class... T>
void DBG(H h, T... t) {
  cerr << to_string(h);
  if (sizeof...(t)) cerr << ", ";
  DBG(t...);
}
const int N = 5e3 + 10;
int n, m;
int cnt[N], sm[N];
signed main() {
  cin.tie(nullptr);
  ios_base::sync_with_stdio(false);
  cin >> n >> m;
  memset(sm, 0x3f, sizeof(sm));
  for (int i = 0; i < m; i++) {
    int b, c;
    cin >> b >> c;
    b--;
    c--;
    cnt[b]++;
    int dist = c - b;
    if (dist < 0) dist += n;
    sm[b] = min(sm[b], dist);
  }
  for (int i = 0; i < n; i++) {
    int ans = 0;
    for (int j = 0; j < n; j++) {
      if (cnt[j]) {
        int dist = j - i;
        if (dist < 0) dist += n;
        0;
        ans = max(ans, n * (cnt[j] - 1) + dist + sm[j]);
      }
    }
    cout << ans << nl;
  }
}
