#include<stdio.h>
int main(){
    char Section;
    char Rollnumber;
    char Bloodgroup;
    printf ("section:%c\n",Section)
    scanf ("%C",&section);
    printf ("Rollnumber:%c\n",Rollnumber);
    scanf ("%c",&char);
    printf ("Rollnumber:%c\n",Bloodgroup);
    return 0;
}