1BEGIN 2{ 3 @a = 10; 4 @b = 5; 5 6 printf("a + b = %d\n", @a + @b); 7} 8 9END 10{ 11 printf("a - b = %d\n", @a - @b); 12 13 @c = @a + 2 * @b; 14 printf("c = %d, total = %d\n", @c, (@c - @b) / 5); 15} 16