#!/usr/bin/ruby

puts "Int:"
int = gets.to_i
puts "Spellcasting:"
spc = gets.to_i
puts "Avg of spell schools:"
sch = gets.to_i
puts "Number of enhancers (possibly negative):"
enh = gets.to_i

rawpower = (int / 10) * (spc/2 + sch*2) * (1.5**enh)

puts "Raw spellpower: #{rawpower}"

adjustedpower = 0
while rawpower > 50
        adjustedpower += 50
        rawpower = (rawpower - 50) / 2
end
adjustedpower += rawpower

puts "Adjusted spellpower: #{adjustedpower}"