#include <stdio.h>

int main() {
    char selection[2];
    char rollnumber[2];
    char bloodgroup[2];
    scanf("%s, section");
    scanf("%s, rollnumber");
    scanf("%s, bloodgroup");
    printf("section: %s\n", section);
     printf("rollnumber: %s\n", rollnumber);
      printf("bloodgroup: %s\n", bloodgroup);
      return 0;
    }