Produced by the Canadian Mathematical Society and the Department of Mathematics of the University of Toronto.
Please send your solution to
Dr. Lily Yen
7255 Hewitt Street
Burnaby, BC V5A 3M3
no later than July 31, 2007. It is important that your complete mailing address and your email address appear on the front page. If you do not write your family name last, please underline it.