The following two-way table of row-relative frequencies shows fictitious data on taking vitamin C supplements and contracting a cold for a group of 450 French skiers.

	Cold	No cold	ROW TOTAL
No Vitamin C	0.3	0.7	1.0
Vitamin C	0.7	0.3	1.0

How many French skiers who were given Vitamin C contracted colds?
(Put either NAN if there is not enough information, or your calculation rounded down if there is.)