#include<stdio.h>
#include <conio.h>

int sum(int a, int b, int c);
int carry(int a, int b, int c);

int main()
{
  int a[4] = {0}, b[4] = {0}, c = 0, result[4] = {0}, i = 0;

  printf("Podaj A[MSB,...,LS:  ");
  scanf("%d%d%d%d", &a[3], &a[2], &a[1], &a[0]);

  printf("Podaj B[MSB,...,LS:  ");
  scanf("%d%d%d%d", &b[3], &b[2], &b[1], &b[0]);

  for(i = 0; i < 4; i++)
  {
    result[i] = sum(a[i], b[i], c);
    c = carry(a[i], b[i], c);
  }

  printf("Wynik[C,MSB,...,LS: %d %d %d %d %d\n", c, result[3], result[2], result[1], result[0]);
  getch();
}

int sum(int a, int b, int c)
{
  return c ^ a ^ b;
}

int carry(int a, int b, int c)
{
  return (a & b) | (c & (a ^ b));
}