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#include <fstream>
#define int long long
using namespace std;
ifstream in("oz.in");
ofstream out("oz.out");
int cmmmc(int a,int b)
{
int r,cb=b,ca=a;
while(b)
{
r=a%b;
a=b;
b=r;
}
return ca*cb/a;
}
int v[10001];
int32_t main()
{
int n,m,i,a,b,d;
in>>n>>m;
for(i=1;i<=n;i++)
v[i]=1;
for(i=1;i<=m;i++)
{
in>>a>>b>>d;
v[a]=cmmmc(v[a],d);
v[b]=cmmmc(v[b],d);
}
for(i=1;i<=n;i++)
{
if(v[i]>2000000000)
out<<-1;
}
for(i=1;i<=n;i++)
{
out<<v[i]<<' ';
}
return 0;
}