#include<stdio.h>
int main()
{
    char m;

    printf("Enter your character: ");
    scanf("%s",&m);

    switch(m)
    {
        case 'A':
            printf("Input is A");
            break;
        case 'B':
            printf("Input is B");
            break;

        case 'C':
            printf("Input is C");
            break;
        case 'D':
            printf("Input is D");
            break;
        default:
            printf("Your input is not from A to D");
    }

    return 0;
}