#include<stdio.h>
int main()
{
    char sec;
    int rollno;
    char bloodgroup;
    scanf("%c",&sec);
    if('A'<=sec<='Z')
printf("section:%c",sec);
scanf("%d",&rollno);
if('1'<=rollno<='9')
printf("rollno:%d\n",roll no);
scanf("%c",&bloodgroup);
if(bloodgroup='A','B','O')
printf("bloodgroup=%c\n",bloodgroup);
}