@@ -0,0 +1,245 @@
+public String startOz(String str) %7B%0A%09String result = %22%22;%0A%0A%09if (str.length() %3E= 1 && str.charAt(0)=='o')%7B%0A%09%09result = result + str.charAt(0);%0A%09%7D%0A%09if (str.length() %3E= 2 && str.charAt(1)=='z')%7B%0A%09%09result = result + str.charAt(1);%0A%09%7D%0A%09return result;%0A%7D

add start Oz