#include <iostream>
#include <algorithm>
using namespace std;

int max(int a, int b){
    int c;
    
    if(a == 0 || b == 0){
        return 0;
    }
    
    while(a != b){
        if(a > b){
            a = a - b;
        }else{
            b = b - a;
        }
    }
    
    return a;
}

int min(int a, int b){
    int d;
    
    if(a == 0 || b == 0){
        return 0;
    }
    
    d = a * b / max(a, b);
    
    return d;
}

int main()
{
    int a, b;
    
    cin >> a >> b ;
    
    cout << max(a, b) << min(a, b) << endl;
    
    return 0;
}