diff --git a/gleam/arrays_and_hashing/src/two_sum.gleam b/gleam/arrays_and_hashing/src/two_sum.gleam
index e69de29..2fe1958 100644
--- a/gleam/arrays_and_hashing/src/two_sum.gleam
+++ b/gleam/arrays_and_hashing/src/two_sum.gleam
@@ -0,0 +1,16 @@
+import gleam/dict
+import gleam/int
+import gleam/io
+import gleam/result
+import gleam/string
+import in
+
+pub fn has_duplicate(nums: List(Int)) -> Bool {
+  let number_input = dict.new()
+  result.replace_error(in.read_line(), Nil)
+  |> result.map(string.trim)
+  |> result.try(int.parse)
+  |> result.unwrap(-1)
+
+  False
+}
diff --git a/gleam/arrays_and_hashing/src/valid_anagram.gleam b/gleam/arrays_and_hashing/src/valid_anagram.gleam
index e69de29..2fe1958 100644
--- a/gleam/arrays_and_hashing/src/valid_anagram.gleam
+++ b/gleam/arrays_and_hashing/src/valid_anagram.gleam
@@ -0,0 +1,16 @@
+import gleam/dict
+import gleam/int
+import gleam/io
+import gleam/result
+import gleam/string
+import in
+
+pub fn has_duplicate(nums: List(Int)) -> Bool {
+  let number_input = dict.new()
+  result.replace_error(in.read_line(), Nil)
+  |> result.map(string.trim)
+  |> result.try(int.parse)
+  |> result.unwrap(-1)
+
+  False
+}