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