$2.$ Create a structure named Complex to represent a complex number with real and imaginary parts. Write a C program to add and multiply two complex numbers.

a$.$ The "Complex" structure will have members 'real' and 'imag'.

b$.$ Define functions like "addComplex$()"$ and "multiplyComplex$()"$ to perform addition and multiplication of two complex numbers, respectively.

c$.$ Use "displayComplex$()"$ function to display a complex number.

d$.$ The "main$()"$ function will prompt the user to input two complex numbers, then adds and multiplies them, and finally displays the results.

e$.$ The expected output:

$```$

Input details for Complex Number $1($real imag$)$: $103$

Input details for Complex Number $2($real imag$)$: $125$

Sum of Complex Numbers:

$22\mathrm{.}00+8\mathrm{.}00$i

Product of Complex Numbers:

$105\mathrm{.}00+86\mathrm{.}00$i

$```$