#include <bits/stdc++.h>
#define MAX 100000
using namespace std;

ifstream fin("oz.in");
ofstream fout("oz.out");

int a[MAX+1], b[MAX+1], c[MAX+1], rez[MAX+1];
int n, m;

int main()
{
    fin >> n >> m;
    for(int i=1; i<=n; i++)
        rez[i]=1;
    for(int i=1; i<=m; i++)
    {
        fin >> a[i] >> b[i] >> c[i];
        rez[a[i]]=rez[a[i]]*c[i]/__gcd(rez[a[i]],c[i]);
        rez[b[i]]=rez[b[i]]*c[i]/__gcd(rez[b[i]],c[i]);
    }
    for(int i=1; i<=n; i++)
    {
        if(__gcd(rez[a[i]],rez[b[i]])!=c[i])
        {
            fout << "-1";
            return 0;
        }
    }
    for(int i=1; i<=n; i++)
        fout << rez[i] << ' ';
    return 0;
}