#include <stdio.h>
int main() {
    char section;
    int rollnumber;
    char bloodgroup;
        
    scanf("%c",&section);
    scanf("%d",&rollnumber);
    scanf("%c",&bloodgroup);
    
    if(section>='A'&& section<='Z' && roll>=1 && roll<=9 &&(blood=='A'||blood=='B'||BLOOD =='O'))
    
    printf("Section: %c\n",section);
    printf("Roll Number: %d\n",rollnumber);
    printf("Blood Group: %c",bloodgroup);

    return 0;
}