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