#include<stdio.h>

int gcd(int a,int b){
    while(b!=0)
        int t=a%b;
        a=b;
        b=t;
}
    return a;
}
int main(){
    int a,b;
    if(scanf("%d%d",&a,&b)!=2)return 0;;
    
    if(a<=0||b<=0){
        printf("Invalid Input\n");
        return 0;
    }
    int g=gcd(a,b);
    int l=(a/g)*b;
    printf("%d\n",l);
    return 0;
}