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#include<bits/stdc++.h>
using namespace std;
ifstream f("oz.in");
ofstream g("oz.out");
int n,m,p,w=1,i,j,d,I[1<<17],J[1<<17],D[1<<17],v[1<<17];
int main()
{
f>>n>>m;
for(p=1;p<=n;++p) v[p]=1;
for(p=1;p<=m;++p)
{
f>>i>>j>>d;
I[p]=i;
J[p]=j;
D[p]=d;
v[i]*=d/__gcd(v[i],d);
v[j]*=d/__gcd(v[j],d);
}
for(p=1;p<=m&&w;)
(__gcd(v[I[p]],v[J[p]])==D[p])?++p:w=0;
if(w) for(p=1;p<=n;p++) g<<v[p]<<' ';
else g<<-1;
return 0;
}