diff --git a/height/input.txt b/height/input.txt
new file mode 100644
index 0000000..79475b1
--- /dev/null
+++ b/height/input.txt
@@ -0,0 +1,9 @@
+4
+1
+900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919
+2 
+919 918 917 916 915 914 913 912 911 910 909 908 907 906 905 904 903 902 901 900
+3 
+901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 900
+4 
+918 917 916 915 914 913 912 911 910 909 908 907 906 905 904 903 902 901 900 919
\ No newline at end of file
diff --git a/height/output.txt b/height/output.txt
new file mode 100644
index 0000000..59b1d9d
--- /dev/null
+++ b/height/output.txt
@@ -0,0 +1,88 @@
+[ 1,
+  900,
+  901,
+  902,
+  903,
+  904,
+  905,
+  906,
+  907,
+  908,
+  909,
+  910,
+  911,
+  912,
+  913,
+  914,
+  915,
+  916,
+  917,
+  918,
+  919 ]
+1 4
+[ 2,
+  919,
+  918,
+  917,
+  916,
+  915,
+  914,
+  913,
+  912,
+  911,
+  910,
+  909,
+  908,
+  907,
+  906,
+  905,
+  904,
+  903,
+  902,
+  901,
+  900 ]
+2 4
+[ 3,
+  901,
+  902,
+  903,
+  904,
+  905,
+  906,
+  907,
+  908,
+  909,
+  910,
+  911,
+  912,
+  913,
+  914,
+  915,
+  916,
+  917,
+  918,
+  919,
+  900 ]
+3 4
+[ 4,
+  918,
+  917,
+  916,
+  915,
+  914,
+  913,
+  912,
+  911,
+  910,
+  909,
+  908,
+  907,
+  906,
+  905,
+  904,
+  903,
+  902,
+  901,
+  900,
+  919 ]
+4 4
diff --git a/height/stub.dsl b/height/stub.dsl
new file mode 100644
index 0000000..501f03b
--- /dev/null
+++ b/height/stub.dsl
@@ -0,0 +1,8 @@
+function(integer_array, findStepBacks, integer K, integer_array students)
+integer(P)
+loop(P)
+  integer(K)
+  array(integer, students, 20, single)
+  invoke(integer_array, steps, findStepBacks, K, students)
+  print(integer_array, steps, \n)
+endloop
\ No newline at end of file
diff --git a/height/stub.js b/height/stub.js
new file mode 100644
index 0000000..dfad3dc
--- /dev/null
+++ b/height/stub.js
@@ -0,0 +1,59 @@
+'use strict';
+
+const fs = require('fs');
+
+process.stdin.resume();
+process.stdin.setEncoding('utf-8');
+
+let inputString = '';
+let currentLine = 0;
+
+process.stdin.on('data', function(inputStdin) {
+    inputString += inputStdin;
+});
+
+process.stdin.on('end', function() {
+    inputString = inputString.split('\n');
+
+    main();
+});
+
+function readLine() {
+    return inputString[currentLine++];
+}
+
+/*
+ * Complete the 'findStepBacks' function below.
+ *
+ * The function is expected to return an INTEGER_ARRAY.
+ * The function accepts following parameters:
+ *  1. INTEGER K
+ *  2. INTEGER_ARRAY students
+ */
+
+function findStepBacks(K, students) {
+    // Write your code here
+
+    console.log(K)
+    console.log(students)
+    let steps = [K, 4]
+    return steps
+}
+
+function main() {
+    const ws = process.stdout;
+
+    const P = parseInt(readLine().trim(), 10);
+
+    for (let PItr = 0; PItr < P; PItr++) {
+        const K = parseInt(readLine().trim(), 10);
+
+        const students = readLine().replace(/\s+$/g, '').split(' ').map(studentsTemp => parseInt(studentsTemp, 10));
+
+        const steps = findStepBacks(K, students);
+
+        ws.write(steps.join('\n') + '\n');
+    }
+
+    ws.end();
+}