var f,g:text;
n,m,t,z,r,x,y,d:qword;
i:integer;
a:array[1..10000] of qword;
h:boolean;
begin
assign(f,'oz.in');reset(f);
assign(g,'oz.out');rewrite(g);
read(f,n,m);
for i:=1 to n do
 a[i]:=1;
for i:=1 to m do
 begin
  read(f,x,y,d);
  t:=a[x];
  z:=d;
  r:=t mod z;
  while r>0 do
   begin
    t:=z;
    z:=r;
    r:=t mod z;
   end;
  a[x]:=a[x]*(d div z);
  t:=a[y];
  z:=d;
  r:=t mod z;
  while r>0 do
   begin
    t:=z;
    z:=r;
    r:=t mod z;
   end;
  a[y]:=a[y]*(d div z);
 end;
h:=true;
for i:=1 to m do
 begin
  if a[i]>2000000000 then h:=false;
 end;
if not(h) then write(g,-1)
else
 begin
  for i:=1 to n do
   if i=n then write(g,a[i])
   else write(g,a[i],' ');
 end;
close(f);
close(g);
end.