//SHOW THE STUDEN INFORMATION OF THE CLASS LIKE SECTION,ROLL NUMBER ,BLOOD DROUP:


#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;
    
}