#include<stdio.h>

void fun(int n1,int n2,int*gcd,int*lcm){
    int itr;
    for(itr=1;itr<=n1&&itr<=n2;itr++){
        if(n1%itr==0&& n2%itr==0)
        *gcd=itr;
    }
    *lcm =(n1*n2)/ *gcd;
}

int main(){
    int num1,num2;
    scanf("%d%d",&num1,&num2 );
    if(num1<=0 || num2<=0){
        printf("Invalid input");
        return 0;
    }
    fun(num1,num2,&gcd,&lcm);
    printf("%d%d",&gcd,&lcm);
    return 0;
}