C Program to add Complex Numbers

#include<stdio.h> 
typedef struct complexNumber {
	int real;
	int img;
} complex;
complex add(complex x, complex y);
int main()
{

	complex a, b, sum;
        a.real = 3;
	a.img = 4;

	b.real = 5;
	b.img = 2;

	printf("\n a = %d + %di", a.real, a.img);
	printf("\n b = %d + %di", b.real, b.img);

	sum = add(a, b);
	printf("\n sum = %d + %di", sum.real, sum.img);
	return 0;
}

complex add(complex x, complex y)
{
	complex add;
	add.real = x.real + y.real;
	add.img = x.img + y.img;
	return (add);
}