#include <stdio.h>

int main()
{
    char a, b, c, d;
    
    fprintf(stdout, "Enter a char:");
    a = fgetc(stdin);
    
    fprintf(stdout, "Enter a char:");
    b = fgetc(stdin);
    
    fprintf(stdout, "Enter a char:");
    c = fgetc(stdin);
    
    fprintf(stdout, "Enter a char:");
    d = fgetc(stdin);
    
    fprintf(stdout, "You entered ASCII chars %hhu, %hhu, %hhu, and %hhu\n", a, b, c, d);
    
    return(0);