#include <stdio.h>

int main()
{int n,num=0,d=0,number=0;
 scanf("%d",&n);
 while(n>0)
 {
   d=n%10;
   num=num*10+d;
   n/=10;
 }
 while(num>0)
 {d=num%10;
  d=d+1;
  d=d%10;
  number=number*10+d;
   num/=10;
 }
 printf("%d",number);

    return 0;
}