diff --git a/objc-interpolate/FISAppDelegate.m b/objc-interpolate/FISAppDelegate.m
index ead0fcb..306fcc8 100644
--- a/objc-interpolate/FISAppDelegate.m
+++ b/objc-interpolate/FISAppDelegate.m
@@ -12,7 +12,16 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
      * Write your code here!
      
      */
-    
+    NSLog(@"Interpolate!");
+    NSLog(@"%@", @"Interpolate!");
+    NSLog(@"%@ %@", @"Interpolate!", @"Interpolate!");
+    NSLog(@"%@%@%@%@!", @"In", @"ter", @"po", @"late");
+    NSLog(@"%@-%@-%@-%@!", @"In", @"ter", @"po", @"late");
+    NSLog(@"You are not The Doctor!");
+    NSLog(@"%@", @"You are not The Doctor!");
+    NSLog(@"%@%@%@%@%@%@", @"You", @"are", @"not", @"The", @"Doctor", @"!");
+    NSLog(@"%@ %@ %@ %@ %@%@", @"You", @"are", @"not", @"The", @"Doctor", @"!");
+    NSLog(@"You are %@ %@!", @"not", @"The Doctor");
     // Do not alter
     return YES;  //
     ///////////////