diff --git a/a3/program.exe b/a3/program.exe
new file mode 100644
index 0000000..e69de29
diff --git a/cv8/program.c b/cv8/program.c
index 3a2cbcd..f9e9adc 100644
--- a/cv8/program.c
+++ b/cv8/program.c
@@ -41,6 +41,10 @@ struct tree* read_tree(){
     return node;
 }
 int main(){
+    printf("Expert z bufetu to vie.\n");
+    printf("Pozna 2 druhov ovocia a zeleniny.\n");
+    printf("Odpovedajte␣'a'␣pre␣prvu␣moznost␣alebo␣'n'␣pre␣druhu␣moznost.\n");
+    printf("Je to ovocie alebo zelenina ?\n");
 /*int counter = 0;
 int si = 0;
 struct tree* stack[SIZE];
diff --git a/cv8/program.exe b/cv8/program.exe
new file mode 100644
index 0000000..2acd088
Binary files /dev/null and b/cv8/program.exe differ
diff --git a/sk4/program.c b/sk4/program.c
new file mode 100644
index 0000000..2f53ec5
--- /dev/null
+++ b/sk4/program.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+unsigned char tape[30000] = {0};
+unsigned char* ptr = tape;
+
+void interpret(char* input) {
+    char current_char;
+    size_t i;
+    size_t loop;
+    size a;
+    for (i = 0; input[i] != 0; i++) {
+        current_char = input[i];
+        if (current_char == 'TUK') {//
+            ++ptr;
+        } else if (current_char == 'FUK') {//
+            --ptr;
+        } else if (current_char == 'INK') {//+
+            ++*ptr;
+        } else if (current_char == 'DEK') {//-
+            --*ptr;
+        } else if (current_char == 'PUK' ) {//.
+            putchar(*ptr);
+        } else if (current_char == 'KUK') {//,
+            *ptr = getchar();
+        } else if (current_char == '[') {//
+            continue;
+        } else if (current_char == ']' && *ptr) {//
+            loop = 1;
+            while (loop > 0) {
+                current_char = input[--i];
+                if (current_char == '[') {
+                    loop--;
+                } else if (current_char == ']') {
+                    loop++;
+                }
+            }
+        }
+    }
+}
+
+
+int main() {
+    interpret(",[.[-],]");  // outputs input
+    return 0;
+}
\ No newline at end of file
diff --git a/sk4/program.exe b/sk4/program.exe
new file mode 100644
index 0000000..47aa69b
Binary files /dev/null and b/sk4/program.exe differ
diff --git a/sk4/readme.MD b/sk4/readme.MD
new file mode 100644
index 0000000..db20947
--- /dev/null
+++ b/sk4/readme.MD
@@ -0,0 +1,2 @@
+Riesenie inspirovane https://gist.github.com/maxcountryman/1699708
+