#include <fstream.h>
#include <conio.h>
#include <iostream.h>
int main()
{
 ifstream intrare("cmmdc.in");
 ofstream iesire("cmmdc.out");
 
 long int a,b,x,i,cmmdc;
 
 intrare>>a>>b;
 cout<<a;
 if ( a > b )
 x = b;
 else
 x = a;
 cout<<x;

 for ( i = 1; i <= x; i++ )
 {
     if ( (a % i == 0) && (b % i == 0) )
     {
          cmmdc = i;
          cout<<cmmdc;
     }
 }
 iesire<<cmmdc;
 
 intrare.close();
 iesire.close();
 getch();
 return 0;   
}