#include <stdio.h>
int main (){
char section;
char rollNumber;
char bloodGroup;
scanf(" %c ",&Section);
scanf(" %c ",&RollNumber;
scanf(" %c ",&BloodGroup);
printf("section: %c \n",section;
printf("roll number: %c\n",roll number);
printf("blood group: %c\n",blood group;
return 0;
}