#include
using namespace std;
int main() {
int n, m;
cin >> n >> m;
int nzs = n * m;
for(int i = n * m; i >= 1; i -= 1) {
if(i % n == 0 and i % m == 0) {
nzs = i;
}
}
cout << nzs << endl;
return 0;
}