# Write a lambda which takes an integer and square it
square      = proc { |num| num ** 2 }

# Write a lambda which takes an integer and increment it by 1
plus_one    = proc { |num| num + 1 }

# Write a lambda which takes an integer and multiply it by 2
into_2      = proc { |num| num * 2 }

# Write a lambda which takes two integers and adds them
adder       = proc { |a, b| a + b }

# Write a lambda which takes a hash and returns an array of hash values
values_only = proc { |num_hash| num_hash.values.to_a }


input_number_1 = gets.to_i
input_number_2 = gets.to_i
input_hash = eval(gets)

a = square.(input_number_1); b = plus_one.(input_number_2);c = into_2.(input_number_1); 
d = adder.(input_number_1, input_number_2);e = values_only.(input_hash)

p a; p b; p c; p d; p e