array1 = %w( ME K LE K HT ME LL )
array2 = [ 10, 4, 1, 5, 6, 7, 19 ]
sums = Hash.new( 0 )
array1.zip( array2 ).each { |(k,v)| sums[k] += v }
array1.each { |k| puts "#{k}=#{sums[k]}" }