From ff3b09145b1c5353d41a30a3096a95ccbbad43f0 Mon Sep 17 00:00:00 2001
From: Bohdan Yanchyk <bohdan.yanchyk@student.tuke.sk>
Date: Fri, 3 Apr 2020 00:29:44 +0000
Subject: [PATCH] =?UTF-8?q?Aktualizovat=20=E2=80=9Edu4/program.c=E2=80=9C?=
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---
 du4/program.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/du4/program.c b/du4/program.c
index ce9b0b2..918eb39 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -61,6 +61,9 @@ int check(char *str){
         if(str[i]=='='){
             flag=1;
         }
+        if((str[i]>='a'&&str[i]<='z')||(str[i]>='A'&&str[i]<='Z')){
+            return 0;
+        }
     }
     return flag==1?1:0;
 }