diff --git a/json.js b/json.js
new file mode 100755
index 0000000..26e924f
--- /dev/null
+++ b/json.js
@@ -0,0 +1,23 @@
+#!/usr/bin/env js
+
+function readline() {
+    var ist = new java.io.InputStreamReader(java.lang.System.in);
+    var bre = new java.io.BufferedReader(ist);
+    var line = bre.readLine();
+    return line;
+}
+var numbers = [];
+
+while (true) {
+    var line = readline();
+    if (line === null) {
+        break;
+    }
+
+    var number = parseFloat(line);
+    if (!isNaN(number)) {
+        numbers.push(number.toString()); 
+    }
+}
+var jsonOutput = JSON.stringify(numbers);
+print(jsonOutput);