Var dv,tr,pt,dv1,tr1,pt1,dv2,tr2,pt2 :real;
procedure nod( var dv,tr,pt,dv1,tr1,pt1,dv2,tr2,pt2 :real; );
var a:array[1..6] of real;
i : integer;
begin
dv1:=100;
tr1:=100;
pt1:=100;
for i:= low(a) to high (a) do begin
readln(a[i]);
repeat
if( (a[i] mod 2) =0) then begin
a[i]:=a[i]/2;
dv:=dv+1;
end
else if( ( a[i] mod 3)=0) then begin
a[i]:=a[i]/3;
tr:=tr+1;
end
else if ( ( a[i] mod 5)=0) then begin
a[i]:=a[i]/5;
pt:=pt+1;
end;
untill(a=1);
if dvif trif ptdv:=0;
tr:=0;
pt:=0;
end;
if dv1>0 then dv2:=dv1*2 else dv2:=1;
if tr1>0 then tr2:=tr1*3 else tr2:=1;
if pt1>0 then pt2:=pt1*5 else pt2:=1;
nod:=dv2*tr2*pt2;
writeln(nod);
end;
begin
nod( dv,tr,pt,dv1,tr1,pt1,dv2,tr2,pt2 );
end.
end;