Append sound that hymn of the Bolshevik

script.js

@@ -4,8 +4,14 @@ const alarmSound = document.getElementById('alarmSound');
 
 let timer;
 
-let originalSound = alarmSound.src;
-let alternateSound = "https://upload.wikimedia.org/wikipedia/commons/9/9c/Gimn_Sovetskogo_Soyuza_(1944_Stalinist_lyrics).oga";
+let soundIndex = 0;
+let soundList = [
+    alarmSound.src,
+    "https://upload.wikimedia.org/wikipedia/commons/9/9c/Gimn_Sovetskogo_Soyuza_(1944_Stalinist_lyrics).oga",
+    "https://upload.wikimedia.org/wikipedia/commons/1/1c/Gimn_partii_bolshevikov_(Hymn_of_the_Bolshevik_Party).ogg"
+];
+
+
 let countType = 0;
 
 let isAlternateSound = false;
@@ -87,8 +93,13 @@ document.addEventListener('keydown', function (event) {
         if (countType > 2) {
             countType = 0;
             if (confirm("Is it okay to change alarm sound?")) {
-                isAlternateSound = !isAlternateSound;
-                alarmSound.src = isAlternateSound ? alternateSound : originalSound;
+                if (soundIndex < soundList.length - 1) {
+                    soundIndex++;
+                } else {
+                    soundIndex = 0;
+                }
+
+                alarmSound.src = soundList[soundIndex]
                 timerDisplay.textContent = 'Changed alarm sound';   
             }
         }