no wae hoze...no 3 prime numbers add up tu 18
very limited list av numbers yu mite add
7+11=18...oenlee 2 primes, so yu kant yuze 11
all primes < 11=2, 3, 5, 7
all waes tu add 3 av theez numbers:
2+3+5=10
2+3+7=12
2+5+7=14
3+5+7=15
all posabel waes....2 small