change in TextInput convert commands toUpperCase

src/TextInput.java

@@ -5,7 +5,7 @@ public class TextInput {
     private static final Scanner sc = new Scanner(System.in);
 
     public static String[] checkForInput() {
-        return sc.nextLine().split(" ");
+        return sc.nextLine().toUpperCase().split(" ");
     }
 
     public static String getTextInput() {