to exercise the right to cancel , you must inform us -lrb- nintendo of europe gmbh , herriotstrasse 4 , 60528 frankfurt am main , germany , fax number : +49 69 667747 95412 , telephone number : for the uk and ireland : +44 345 60 50 247 / for other eu countries and south africa : +49 69 667747 5412 , email : for the uk and ireland : customer-support@nintendo.co.uk / for other eu countries and south africa : eshopservice@nintendo.de -rrb- of your decision to cancel this contract by a clear statement -lrb- e.g. a letter sent by post , fax or email -rrb- .