// Perform some basic arithmetic.

// Written by: Abiram Nadarajah <abiramn@cse.unsw.edu.au>
// Written as a COMP1521 lecture example

#include <stdio.h>

int main(void) {
    int x = 17;
    int y = 25;

    printf("%d\n", 2 * (x + y));

    return 0;
}