#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pi pair<int, int>
#define vi vector<int>
#define vs vector<string>
#define vb vector<bool>
#define vpi vector<pi>
#define pb push_back
#define all(a) (a).begin(), (a).end()
const int mod = 1e9 + 7;
void solve()
{
int n, q;
cin >> n >> q;
vi v(n, 0);
while (q--)
{
int i, j, k;
cin >> i >> j >> k;
i--;
j--;
if (v[i] < k)
{
v[i] = k;
}
if (v[j] < k)
{
v[j] = k;
}
}
for (int i = 0; i < n; i++)
{
cout << (v[i] == 0 ? 1 : v[i]) << ' ';
}
}
signed main()
{
ios_base::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
int t = 1;
// cin >> t;
while (t--)
{
solve();
}
return 0;
}
