#include <iostream>
using namespace std;
int main(){
    int m,n,nzs;
    cin>>m>>n;

    for( int i=1;i<=m*n;i++){

       if(i%m==0 and i%n==0){
           nzs=i;
           break;
       }

    }
    cout<<nzs<<endl;
    return 0;
}