// 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;

    int z = x + y;
    z = 2 * z;

    printf("%d", z);
    putchar('\n');

    return 0;
}