/*	Testing the functionality of global variables in m. */



int a;

int b;



int printa()

{

	print(a);

}



int printb()

{

	print(b);

}



int increment_globals()

{

	a++;

	b++;

}



void main()

{

	a = 42;

	b = 21;

	printa();

	printb();

	increment_globals();

	printa();

	printb();

}