diff --git a/a3/program.c b/a3/program.c
new file mode 100644
index 0000000..498a218
--- /dev/null
+++ b/a3/program.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+int main() {
+
+int i;
+int l = i * 2 + 1;
+int r = i * 2 + 2;
+return 0;
+}
\ No newline at end of file
diff --git a/a3/program.exe b/a3/program.exe
new file mode 100644
index 0000000..9b8390d
Binary files /dev/null and b/a3/program.exe differ
diff --git a/cv8/program.c b/cv8/program.c
index 3131051..3a2cbcd 100644
--- a/cv8/program.c
+++ b/cv8/program.c
@@ -8,9 +8,9 @@
 struct tree {
     //otazka ab. odpoved
     char value[SIZE];
-   // Odpoveï áno
+   // Odpove� �no
     struct tree* left;
-   // Odpoveï nie
+   // Odpove� nie
     struct tree* right;
 }tree;