#include <stdio.h>
 
// Define structure for Complex Number
struct Complex {
    float real;
    float imag;
};
 
// Function declaration
struct Complex addComplex(struct Complex c1, struct Complex c2);
void displayComplex(struct Complex c);
 
int main() {
    struct Complex num1, num2, result;
 
    // Input first complex number
    printf("Enter first complex number (real and imaginary part): ");
    scanf("%f %f", &num1.real, &num1.imag);
 
    // Input second complex number
    printf("Enter second complex number (real and imaginary part): ");
    scanf("%f %f", &num2.real, &num2.imag);
 
    // Function call to add complex numbers
    result = addComplex(num1, num2);
 
    // Display result
    printf("\n--- Complex Number Addition ---\n");
    printf("First Number  = ");
    displayComplex(num1);
    printf("Second Number = ");
    displayComplex(num2);
    printf("Sum           = ");
    displayComplex(result);
 
    return 0;
}
 
// Function to add two complex numbers
struct Complex addComplex(struct Complex c1, struct Complex c2) {
    struct Complex temp;
    temp.real = c1.real + c2.real;
    temp.imag = c1.imag + c2.imag;
    return temp;
}
 
// Function to display complex number
void displayComplex(struct Complex c) {
    if (c.imag >= 0)
        printf("%.2f + %.2fi\n", c.real, c.imag);
    else
        printf("%.2f - %.2fi\n", c.real, -c.imag);
}