# setting variables
a=0
i=0
z=3
x=5
f=0
b=0
loop do #start loop
   i+=1 # i = i + 1
   if i >=1000 # if is 1000 or is greater than 1000
      break # then break loop
   elsif (i%z)==0 # otherwise, if i is divisible by 3, a = a + i
      a=a+i
#      p a
   else # else,
      next #repeat loop
   end
end

loop do
   f+=1
   if f>=1000
      break
   elsif (f%x)==0
      b=b+f
#      p b
   else
      next
   end
end

#a=a-i
#b=b-f
p a
p b
p a+b