diff --git a/a1/program.c b/a1/program.c
index 546ce3e..9348682 100644
--- a/a1/program.c
+++ b/a1/program.c
@@ -21,17 +21,17 @@ int main()
             putchar(vstup);
         }
 
-        if (islower(vstup) != 0) 
+        else if (islower(vstup) != 0) 
         {
             putchar(toupper(vstup));
         }
 
-        if (isupper(vstup) != 0)
+        else if (isupper(vstup) != 0)
         {
             putchar(tolower(vstup));
         }
 
-        if (iscntrl(vstup) != 0)
+        else if (iscntrl(vstup) != 0)
         {
             //preskoci iteraciu/cyklus, ak neviditelny znak, resp. nevypise ho
             continue;