// editor1
#include<stdio.h>
int main ()
{
char section;
int roll_number;
char blood_group;

scanf(" %c",&section);
scanf(" %d",&roll_number);
scanf(" %c",&blood_group);

if(section >= "A" && section <= 'z' && roll_number >=1 && roll_number <= 9 &&(blood_group =='A' || blood_group =='B'|| blood_group =='O'))
{
printf("Section: %c \n",section);
printf("Roll number: %d \n",roll_number);
printf("Blood group: %c \n",blood_group);
}
return 0;
}