[cpp]
#include
int max(int a,int b)
{
if(b==0)
return a;
else
return max(b,a%b);
}
int main()
{
int a,b,c;
while(scanf("%d %d",&a,&b)!=EOF)
{
if(a
{
c=a;
a=b;
b=c;
}
printf("%d\n",a*b/max(a,b));
}
}