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' && rollNumber>=1 &&rollNumber<=9 && (bloodGroup == 'A' || bloodGroup=='B' || bloodGroup=='O'))
    {
        printf("Secion: %c\n", section);
        printf("Roll Number: %d\n", rollNumber);
        printf("Blood Group: %c", bloodGroup);

    }
    return 0;
}