diff --git a/cv1/program.c b/cv1/program.c
index 89c0ecd..8d9e1a2 100644
--- a/cv1/program.c
+++ b/cv1/program.c
@@ -1,25 +1,29 @@
 #include <stdio.h>
-#include <ctype.h>
 
 int main() {
-    int line_count = 0;
-    char input_char;
+    int c;
+    int lineCount = 0;
 
-    while ((input_char = getchar()) != EOF) {
-        if (input_char == '\n') {
-            line_count++;
+    while ((c = getchar()) != EOF) {
+        if (c >= 'a' && c <= 'z') {
+            
+            c = c - 'a' + 'A';
+        } else if (c >= 'A' && c <= 'Z') {
+            
+            c = c - 'A' + 'a';
         }
 
-        if (islower(input_char)) {
-            input_char = toupper(input_char);
-        } else if (isupper(input_char)) {
-            input_char = tolower(input_char);
+        if (c == '\n') {
+           
+            lineCount++;
         }
 
-        putchar(input_char);
+        
+        putchar(c);
     }
 
-    printf("\nLines␣count:%d\n", line_count);
+    
+    printf("\nPočet načítaných riadkov: %d\n", lineCount);
 
     return 0;
 }