#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;
    int num2;
    int gcd,lcm;
    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;
}