What is the output of this code?

Question

t = {a:1, b:2, c:3, d:4}
res = 0
t.each {|x, y| res += y if y%2 != 0 }
puts res

Answer 1

The output is 4
Explanation:
This code adds the odd values of dictionary t
which are 1 & 3 so res =1+3=4

Answer 2

Thanks. It worked!