a*b/gcd(a,b)

#include<cstdio>
int hcf(int m,int n){
    return(n==0)?m:hcf(n,m%n);
}
int main(){
    int m,n;
    scanf("%d\n%d",&m,&n);
    printf("%d",m*n/hcf(m,n));
}