#include<stdio.h>
int main()
{
    char section;
    char rollnumber;
    char bloodgroup;
    scanf("%c",&section);
    scanf("%c",&roolnumber);
    scanf("%c",&bloodgroup);
    printf("section:%c\n",section);
    printf("rollnumber:%c\n",rollnumber);
    printf("bloodgroup:%c\n",bloodgroup);
    return 0;
}