#include <stdio.h>
int main()
{
	int a,b;
	scanf ("%d%d", &a, &b);
	a= (a%10)*100 + ((a/10)%10)*10 + a/100;
	b= (b%10)*100 + ((b/10)%10)*10 + b/100;
	if (a<b) printf ("%d", b);
	else printf ("%d", a);
	return 0;
}