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