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