diff --git a/Exercises/1-seq.js b/Exercises/1-seq.js
index 0cc00a7..b6bfa0e 100644
--- a/Exercises/1-seq.js
+++ b/Exercises/1-seq.js
@@ -1,5 +1,5 @@
 'use strict';
 
-const seq = (f) => (g) => (x) => 0;
+const seq = (f) => (n) => (typeof n === 'number' ? f(n) : seq((a) => f(n(a))));
 
 module.exports = { seq };
diff --git a/Exercises/2-array.js b/Exercises/2-array.js
index b6d47cf..4336da3 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 f = (a) => arr[a];
+  f['push'] = (a) => arr.push(a);
+  f['pop'] = (a) => arr.pop(a);
+  return f;
+};
 
 module.exports = { array };