diff --git a/exercises/ex1.cpp b/exercises/ex1.cpp
index 2206958..44ca47b 100644
--- a/exercises/ex1.cpp
+++ b/exercises/ex1.cpp
@@ -5,44 +5,38 @@ using namespace std;
 
 int main()
 {
-  int week;
+  int day;
 
   /* Input week number from user */
-  cout << "Enter week number(1-7): " << endl;
-  cin >> week;
+  cout << "Enter week number(1-7): ";
+  cin >> day;
 
-  if (week == 1)
-  {
-    cout << "Monday" << endl;
-  }
-  else if (week == 2)
-  {
-    cout << "Tuesday" << endl;
-  }
-  else if (week == 3)
-  {
-    cout << "Wednesday" << endl;
-  }
-  else if (week == 4)
-  {
-    cout << "Thursday" << endl;
-  }
-  else if (week == 5)
-  {
-    cout << "Friday" << endl;
-  }
-  else if (week == 6)
-  {
-    cout << "Saturday" << endl;
-  }
-  else if (week == 7)
-  {
-    cout << "Sunday" << endl;
-  }
-  else
-  {
-    cout << "Invalid input! Please enter week number between 1-7." << endl;
-  }
+  switch (day) {
+    case 1:
+      cout << "Monday";
+      break;
+    case 2:
+      cout << "Tuesday";
+      break;
+    case 3:
+      cout << "Wednesday";
+      break;
+    case 4:
+      cout << "Thursday";
+      break;
+    case 5:
+      cout << "Friday";
+      break;
+    case 6:
+      cout << "Saturday";
+      break;
+    case 7:
+      cout << "Sunday";
+      break;
+    default:
+      cout << "Invalid input! Please enter week number between 1-7.";
+  }
+  cout << endl;
 
   return 0;
 }
\ No newline at end of file