#include <iostream>

using namespace std;

int main()

{ int a,b,i,nzs;

cin>>a;

cin>>b;

for(i=a*b;i>1;i–)

{if ((i%a==0)&&(i%b==0))

nzs=i;}

cout<<nzs<<endl;

return 0;

}

DRUGI NACIN

int a,b,i,nzs,nzd;

cin>>a;
cin>>b;
if(a>b)swap(a,b);
i=1;
while(i<=a)
{if((a%i==0)&&(b%i==0))
nzd=i;
i++;}
cout<<a*b/nzd;