#include<stdio.h>
int main()
{
    char sec;
    int rollno;
    char bloodgroup;
    scanf("%c",&sec);
    if('A'<=sec<='z')
        printf("section:%c"\n,sec);
        scanf("%d",&rollno);
        if('1'<rollno<'9')
            printf("Roll number=%c"\n,rollno);
            scanf("%c",&bloodgroup);
        if(bloodgroup=='A','B','O')
        printf("bloodgroup:%c"\n,bloodgroup);
        return 0;
}