#include<studio.h>
int main()
{
    char section;
    char rollNumber;
    char bloodGroup;
    
    scanf("%c",&section);
    scanf("%c",&rollNumber);
    scanf("%c",&bloodGroup);
    if(section>= 'A' && section <='Z' && rollNumber>=1 && rollNumber<='9' && (bloodGroup == 'A' || bloodGroup =='B'))
    {
        printf("Section = %c\n", section);
        printf("Roll Number = %c\n", rollNumber);
        printf("Blood Group = %c",bloodGroup);
    }
    return 0;
}