#include<stdio.h>
 int main()
 {
 char section,blood group;
 int roll number;
 printf("Section: %c/n",section);
printf("Roll Number: %d/n",rollnumber);
printf("Blood Group: %c/n",bloodgroup);
if(section <'A'to section >'z')
{
printf("must be between A and Z./n");
}
if(rollnumber <'1'to rollnumber >'9')
{
    printf("must be between 1 and 9./n");
}
 if(bloodgroup <'1'to bloodgroup >'9')
 {
      printf("must be between A,B and O./n");
 }
 scanf("%c",&section);
 scanf("%d",&rollnumber);
 scanf("%c",&bloodgroup);
 return 0;
}