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