#include<stdio.h>
int main()
{
    char section;
    int rollNumber;
    char bloodGroup;
    scanf("%c",&sect);
    if('A'<=sec<='z');
    printf("section:%c",section);
    scanf("%d",&rollNumber);
    if('1'<=rollNumber<='9');
    printf("Roll Number:%d",rollNumber);
    scanf("%c",&bloodGroup);
    if(bloodGroup=={'A','B','O'});
    printf("Blood Group:%c",bloodGroup);
     return 0;
    
}