What is the difference between these two python codes using `input`?
<pre><code>a=int(input("Unesi a:  "))
b=int(input("Unesi b:  "))
c=a+b
print(c)
</code></pre>

<p>I do not understand what the difference is because it does the same thing.</p>

<pre><code>d=input("Unesi c:  ")
e=input("Unesi d:  ")
f=int(d)+int(e)
print(f)
</code></pre>