#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
int n, m;
vector<pair<int, pii>> edges;
int dis[5009];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
//freopen("in.txt", "r", stdin);
//freopen("out.txt", "w", stdout);
cin >> n >> m;
while(m--){
int l, r, k, val;
cin >> l >> r >> k >> val;
++l;++r;
if(val == 1)
edges.pb({k-1, {l-1, r}});
else
edges.pb({-k, {r, l-1}});
}
for(int i = 1; i <= n; ++i){
edges.pb({1, {i-1, i}});
edges.pb({0, {i, i-1}});
dis[i] = 1e9;
}
int cnt = 0;
while(1){
if(cnt > n+5){
cout << "-1\n";
return 0;
}
++cnt;
int br = 1;
for(auto u : edges)
if(dis[u.ss.ss] > dis[u.ss.ff]+u.ff){
dis[u.ss.ss] = dis[u.ss.ff]+u.ff;
br = 0;
}
if(br) break;
}
for(int i = 1; i <= n; ++i)
cout << ((dis[i]-dis[i-1])^1) << ' ';
}
