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