From 82941c076d5f8d026544158cae438dc2764cb2de Mon Sep 17 00:00:00 2001
From: Igor Pashev <pashev.igor@gmail.com>
Date: Sun, 13 Nov 2022 10:16:51 +0200
Subject: Update Fortran

---
 gcd.f90 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcd.f90 b/gcd.f90
index c17c61c..d95d3d3 100644
--- a/gcd.f90
+++ b/gcd.f90
@@ -12,6 +12,7 @@ program GCD
   character(len=20) :: tmpstr
 
   n = command_argument_count()
+  if (n == 0) stop
 
   allocate (ns(n))
 
-- 
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