#include<stdio.h>
int main ()
{
char section, rollnumber , bloodgroup;
scanf("%c", &section);
scanf("%c", &rollnumber);
sacnf("%c", &bloodgroup);
printf("section: %c\n",section);
printf("rollnumber: %c\n",rollnumber);
printf("bloodgroup: %c\n",blood group);
return 0;
}