diff --git a/ucompile b/ucompile
index 7b2158c..13dac60 100755
--- a/ucompile
+++ b/ucompile
@@ -17,14 +17,15 @@ def check_dependencies() -> None:
     return
 
 
-def run_input_cases(program, args):
+def run_input_cases(program, args) -> bool:
     verbose = args.verbose
     output = args.output
     tests_dir = args.tests_dir if args.tests_dir else "."
     time_flag = args.time
 
-    input_files = glob(os.path.join(tests_dir, "*.in"))
-
+    input_files = sorted(glob(os.path.join(tests_dir, "*.in")), key=os.path.getmtime)
+    
+    passed = True
     if len(input_files) < 1:
         if time_flag:
             start_time = time.perf_counter()
@@ -97,6 +98,7 @@ def run_input_cases(program, args):
                     print("✅")
                 else:
                     print("❌")
+                    passed = False
                     # green expected output and red program output
                     print(f"{Fore.GREEN}Expected output:{Style.RESET_ALL}")
                     print(expected_output)
@@ -118,21 +120,19 @@ def run_input_cases(program, args):
             print(f"⏳: {elapsed_time:.4f} s")
 
         print("-----------")
-    return
+    return passed
 
 
-def python_compile(file_name, args):
+def python_compile(file_name, args) -> bool:
+    passed = None
     try:
         if os.system("which pypy3 &> /dev/null") == 0:
             print(f"{Fore.LIGHTMAGENTA_EX}Using pypy3{Style.RESET_ALL}")
-            run_input_cases("pypy3 " + file_name, args)
-            return
+            return run_input_cases("pypy3 " + file_name, args)
     except Exception:
         pass
     print(f"{Fore.MAGENTA}WARNING: pypy3 not found, using python3 instead{Style.RESET_ALL}")
-    run_input_cases("python3 " + file_name, args)
-    return
-
+    return run_input_cases("python3 " + file_name, args)
 
 def java_compile(file_name, args):
     if args.alternative:
@@ -147,8 +147,7 @@ def java_compile(file_name, args):
 
 def haskell_compile(file_name, args):
     os.system("ghc -O2 " + file_name + " -o program")
-    run_input_cases("./program", args)
-    return
+    return run_input_cases("./program", args)
 
 
 def c_compile(file_name, args):
@@ -213,7 +212,13 @@ def main():
 
     args.tests_dir = args.tests if args.tests else "."
 
-    SUPPORTED_LANGS[file_ext](file_name, args)
+    if not SUPPORTED_LANGS[file_ext](file_name, args): # don't do submit dialogue if failed
+        return
+
+    temmies_check = os.path.join(os.path.dirname(file_name), ".temmies")
+    if os.path.exists(temmies_check):
+        if input("🎉✨ -- Submit? (y/N): ") == "y":
+            os.system("temmies submit")
 
     return