#include <cstdio>
#include <cstdlib>

bool eq3(int a, int b, int c);

int main(int argc, char* argv[])
{
    char input[256];
    int a = 0, b = 0, c = 0;

    while(1)
    {
        printf("Type a number: ");

        for(short i = 0; i < 256; i++)
            input[0] = 0; // Zero out the char array - ensures a null terminated string.

        fscanf(stdin, "%s", input); // Read input from stdin

        if(input[0] < 48 || input[0] > 57) // Checks if input is an ascii number, returns false if not
            return 0;

        if(a == 0)
            a = atoi(input);
        else if(b == 0)
            b = atoi(input);
        else
        {
            c = atoi(input);
            bool chk = eq3(a, b, c);

            if(chk == true)
                printf("All values are equal.\n");
            else
                printf("Values are not equal.\n");

            a = 0;
            b = 0;
            c = 0;
        }

    }

    return 0; // This is here to keep the compiler from complaining...
}

bool eq3(int a, int b, int c)
{
    int check = a;

    a |= (b | c);

    if(check != a)
        return false;
    else
        return true;
}