CF1715D

#include <bits/stdc++.h>
/*
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/hash_policy.hpp>
*/
using namespace std;

const double eps = 1e-10;
const double pi = 3.1415926535897932384626433832795;
const double eln = 2.718281828459045235360287471352;

#define f(i, a, b) for (int i = a; i <= b; i++)
#define scan(x) scanf("%d", &x)
#define mp make_pair
#define pb push_back
#define lowbit(x) (x&(-x))

#define fi first
#define se second
#define SZ(x) int((x).size())
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define summ(a) (accumulate(all(a), 0ll))

typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef vector<int> vi;

using ll=long long;

int n,q;
bitset<40> a[(int)1e5+9],b[(int)1e5+9];
vector<pii> v[(int)1e5+9];

void zero(int x,int y,int val){
    for(int i=0;i<30;++i){
        if(!((1ll<<i)&val)){
            a[x][i]=a[y][i]=1;
        }
    }
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>q;
    for(int i=1,x,y,z;i<=q;++i){
        cin>>x>>y>>z;
        if(x==y){
            b[x]=z;
            zero(x,x,z);
            continue;
        }
        v[x].push_back({y,z});
        v[y].push_back({x,z});
        zero(x,y,z);
    }
    for(int i=1;i<=n;++i){
        for(auto [aa,bb]:v[i]){
            bitset<40> tt(bb);
            b[i]|=(a[aa]&tt);
        }
    }
    for(int i=1;i<=n;++i){
        for(auto [aa,bb]:v[i]){
            if(i>aa){
                bitset<40> tt(bb);
                b[i]|=(tt^b[aa]);
            }
        }
    }
    for(int i=1;i<=n;++i){
        cout<<b[i].to_ullong()<<" \n"[i==n];
    }
    return 0;
}