C program to sum two integers

input:
 stdin 0 -> progname :: string
 stdin 1 -> x :: string
 stdin 2 -> y :: string

output:
 stdout -> x + y :: string

programming language:
 C99

considerations:
 security paranoid programming

>>35
If Integer is a wrapper around a type int, and this class forms an equivalence relation... Screw it. I don't think your dumbass ever made it beyond second semester calculus.