include<stdio.h>
int main()
{
    char sec;
    int rollno;
    char blood;
    scanf("%c",&sec);
    scanf("%d",&rollno);
    scanf("%c",&blood);
    printf("sec:%c\n",sec);
    printf("roll no:%d\n,roll no")
    printf("blood group:%c\n",blood);
    return 0;
}