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#include <fstream>
using namespace std;
ifstream in("oz.in");
ofstream out("oz.out");
int v[10001];
int cmmdc(int a,int b)
{
int r;
while(b)
{
r=a%b;
a=b;
b=r;
}
return a;
}
int cmmmc(int a,int b)
{
return a*b/cmmdc(a,b);
}
int main()
{
int n,m,a,b,x;
in>>n>>m;
for(int i=1;i<=n;i++)
v[i]=1;
for(int i=1;i<=m;i++)
{
in>>a>>b>>x;
v[a]=cmmmc(v[a],x);
v[b]=cmmmc(v[b],x);
}
in.close();
ifstream in1("oz.in");
in1>>n>>m;
bool ok=1;
for(int i=1;i<=m;i++)
{
in1>>a>>b>>x;
if(cmmdc(v[a],v[b])!=x)
ok=0;
}
if(ok==0)
out<<-1;
else
for(int i=1;i<=n;i++)
out<<v[i]<<" ";
return 0;
}