#include<stdio.h>
int main()
{
    char sec;
    int Roll No;
    char Blood Group;
    printf("section:%d\n",section);
    scanf("%d",&sec);
    printf("roll number:%d\n",roll no);
    scanf("%d",&Roll No);
    printf("blood grouP:%C\n",blood);
    scanf("%c",&Blood Group);
    return 0;
    
}