#include<stdio.h>
#include<math.h>
#include<string.h>

int main(void)
{
  int j1,j2,d1,d2,s1,s2,a,k1,k2,b,c,d,f,i,j,l;
  scanf("%d %d",&a,&b);
  
  s1=a/100;
  d1=(a-(s1*100))/10;
  j1=(a-(s1*100)-(d1*10));
  
  s2=b/100;
  d2=(b-(s2*100))/10;
  j2=(b-(s2*100)-(d2*10));
  
  k1=j1*100+d1*10+s1;
  k2=j2*100+d2*10+s2;
  
  if(k1>=k2)printf("%d\n",k1);
  if(k2>k1)printf("%d\n",k2);
  

  
}