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