diff --git a/app.js b/app.js
new file mode 100644
index 0000000..9713274
--- /dev/null
+++ b/app.js
@@ -0,0 +1,33 @@
+const outputFormatter = (motiveTime, clockStop, convertToMs, convertToHours) => {
+    const convertedMotive = motiveTime.split(":");
+    const convertedClockStop = clockStop.split(":");
+    const msMotive = convertToMs(convertedMotive[0],convertedMotive[1]);
+    const msClockStop = convertToMs(convertedClockStop[0],convertedClockStop[1]);
+    const maxNum = Math.max(msMotive,msClockStop);
+    const minNum = Math.min(msClockStop,msMotive);
+    if(maxNum && minNum > 0) {
+        const getFullTimeOfSleep = (maxNum - minNum);
+        return convertToHours(getFullTimeOfSleep);
+    }else {
+        return null;
+    }
+}
+const getMiliseconds = (h=0,m=0) => {
+    return ((h*60*60+m*60)*1000);
+}
+
+function formatTimeToString(millisec) {
+
+    const seconds = (millisec / 1000).toFixed(1);
+    const minutes = (millisec / (1000 * 60)).toFixed(1);
+    const hours = (millisec / (1000 * 60 * 60)).toFixed(1);
+
+    if (seconds < 60) {
+        return seconds + " Sec";
+    } else if (minutes < 60) {
+        return minutes + " Min";
+    } else {
+        return hours + " Hrs";
+    } 
+}
+console.log(outputFormatter("5:15", "21:10", getMiliseconds,formatTimeToString));
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