// editor1
#include<stdio.h>
int main()
{
    int i,j,sec,rollno,bloodgroup;
    printf("section:");
    scanf("%d \n",&sec);
    for(i<='A';i<=7;i++);
    {
    printf("Roll number:");
    scanf("%d \n",&rollno);
    for(j<='1';j<='9';j++);
    }
    char bloodgroup;
    printf("bloodgroup:");
    scanf("%c\n",&bloodgroup);
    // no need for a loop;
    return 0;
}