| Current Path : /var/www/html/venkat/check3/file/cg2013/ |
| Current File : /var/www/html/venkat/check3/file/cg2013/iec2015002_3.c |
#include<stdio.h>
int main()
{
char a1,a2;
int d;
scanf("%s %s",&a1,&a2);
d=a1-a2-1;
if(d<0)
d=a2-a1-1;
printf("%d\n",d);
return 0;
}