#include<bits/stdc++.h>
#define loop(a,b,c,d) for(int a=b; a<c; a+=d)
#define loop2(a,b,c,d) for(int a=b; a>=c; a-=d)
#define bl(i,n) loop(i,0,n,1)
#define bl2(i,n) loop2(i,n,0,1)
#define int long long
#define nl '\n'
#define g ' '
using namespace std;
signed main(){
ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
int n, m;
cin>>n>>m;
vector<int> ans(n, 1);
while(m--){
int a, b, c;
cin>>a>>b>>c;
--a, --b;
ans[a] = max(ans[a], c);
ans[b] = max(ans[b], c);
}
bl(i,n) cout<<ans[i]<<g;
return 0;
}
