//editor
#include<stdio.h>
void main()
{
    int roll;
    char section[5],blood[5];
    printf("enter your roll number:\n");
    scanf("%d",&roll);
    printf("enter your section:\n");
    scanf("%c",&section);
    printf("enter your blood group:\n");
    scanf("%c",&blood);
    printf("sec=%c\nrollnum=%d\nbloodgroup=%c\n",sec,roll,blood);
}