#include<stdio.h>
int main()
{
   char Section;
   char RollNumber;
   char BloodGroup;
   
   //read inputs
   scanf("%c",&Section);
   scanf("%c",&RollNumber);
   scanf("%c",&BloodGroup);
   printf("section:%c",Section);
   printf("rollnumber:%c",&roll Number);
   printf("bloodgroup:%c",&blood Group);
   return 0;

}