#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("rollnumber:%c\n",rollnumber);
  printf("bloodgroup:%c\n",bloodgroup);
  
  return 0;
}