#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;
}