# 2015.py
execfile('../libreria/alfa.py')

x=[309,302,283,443,298,319,419,361,267,337,230]
y=[193,187,174,291,184,205,260,212,169,216,144]

(a,b)=rereg(x,y)
print '%.2f %.2f' %(a,b)
# 0.65 -8.57