62
#include "stdio.h"
int fun(int x,int y)
{
int p=x,q=y;
int h,k,n;
h=p%q;
for(;h!=0;p=q,q=h)
{
h=p%q;
}
k=p;
n=(x*y)/k;
return n;
}
main()
{ int x,y,t;
scanf("%d,%d",&x,&y);
if(x<y){t=x;x=y;y=t;}
printf("%d\n",fun(x,y));
}