#include <stdio.h>

/*
 * full adder:  inputs A, B, Cin;  outputs Sum and Cout
 */
void FullAdder (int A, int B, int Cin, int *Sum, int *Cout)
{
    *Sum  = (A ^ B) ^ Cin;
    *Cout = (A & B) | (A & Cin) | (B & Cin);
    return;
}

/*
 * test full adder for all input values
 */
int main()
{
    int A, B, Cin, Sum, Cout;
    
    for (A=0; A<=1; ++A)
        for (B=0; B<=1; ++B)
	    for (Cin=0; Cin<=1; ++Cin) {
		FullAdder (A, B, Cin, &Sum, &Cout);
		printf ("A=%d\tB=%d\tCin=%d\tSum=%d\tCout=%d\n",
			A, B, Cin, Sum, Cout);
	    }
    return 0;
}