#include<stdio.h>

int main() {
    char section:
    char roll_number_char;
    char blood_group;
    printf("enter student section (I-S):");
    scanf("%c",&section);
    printf("enter student roll_number(1_9):");
    scannf("%c",&roll_number_char);
    printf("enter the blood group (A,B,O)");
    scanf("%c",&blood_group);
    print("\n-----student iinformation----\n"):
    printf("section:%c\n",section);
    printf("blood group:%c,bloo_group");
    return 0;
}