diff --git a/Exercises/1-seq.js b/Exercises/1-seq.js
index 0cc00a7..797aad7 100644
--- a/Exercises/1-seq.js
+++ b/Exercises/1-seq.js
@@ -1,5 +1,6 @@
 'use strict';
 
-const seq = (f) => (g) => (x) => 0;
+const seq = (f) => (g) => (typeof g === 'number' ? f(g) : seq((x) => f(g(x))));
+
 
 module.exports = { seq };
diff --git a/Exercises/2-array.js b/Exercises/2-array.js
index b6d47cf..a287457 100644
--- a/Exercises/2-array.js
+++ b/Exercises/2-array.js
@@ -1,5 +1,11 @@
 'use strict';
 
-const array = () => null;
+const array = () => {
+  const arr = [];
+  const a = (index) => arr[index];
+  a.push = (value) => arr.push(value);
+  a.pop = () => arr.pop();
+  return a;
+};
 
 module.exports = { array };