diff --git a/cv4/Makefile b/cv4/Makefile
new file mode 100644
index 0000000..cc615a1
--- /dev/null
+++ b/cv4/Makefile
@@ -0,0 +1,18 @@
+CC = gcc
+CFLAGS = -Wall -g
+TARGET = train
+
+all: $(TARGET)
+
+$(TARGET): main.o a_train.o
+	$(CC) $(CFLAGS) -o $(TARGET) main.o a_train.o
+
+main.o: main.c a_train.h
+	$(CC) $(CFLAGS) -c main.c
+
+a_train.o: a_train.c a_train.h
+	$(CC) $(CFLAGS) -c a_train.c
+
+clean:
+	rm -f *.o $(TARGET)
+
diff --git a/cv4/a_train.h b/cv4/a_train.h
new file mode 100644
index 0000000..5982bfe
--- /dev/null
+++ b/cv4/a_train.h
@@ -0,0 +1,51 @@
+#ifndef TRAIN_H
+#define TRAIN_H
+#define SIZE 100
+
+/**
+ * Jeden vozen vlaku
+ */
+struct car {
+    /**
+     * Nazov cielovej  stanice
+     */
+    char value[SIZE];
+    /**
+     * Smenik na dalsi vozen
+     */
+    struct car* next;
+};
+
+/**
+ * Prida vozen na koniec vlaku.
+ *
+ * @arg nazov cielovej stanice, ktory sa ma priradit novemu voznu.
+ * @return smernik na zaciatok vlaku.
+ */
+struct car* add_car(struct car* first,const char* target);
+
+
+/**
+ * Vypise vsetky vozne vo vlaku
+ *
+ * @arg smernik na prvy vozen
+ */
+void print_train(struct car* first);
+
+/**
+ * Zrusenie vsetkych voznov vo vlaku.
+ * @arg smernik na prvy vozen
+ */
+void cancel_train(struct car* first);
+
+/**
+ * Vyradenie vsetkych voznov, ktorych cielova stanica je target
+ *
+ * @arg smernik na prvy vozen
+ * @arg cielova stanica, ktora sa ma vyradit z vlaku.
+ * @return smernik na novy prvy vozen
+ *
+ */
+struct car* clear_train(struct car* first,const char* target);
+
+#endif // TRAIN_H
diff --git a/cv4/main.c b/cv4/main.c
new file mode 100644
index 0000000..9e84f5c
--- /dev/null
+++ b/cv4/main.c
@@ -0,0 +1,23 @@
+#include "a_train.h"
+#include <stdio.h>
+
+int main() {
+    struct car* train = NULL;
+
+    train = add_car(train, "Bratislava");
+    train = add_car(train, "Kosice");
+    train = add_car(train, "Zilina");
+
+    printf("Vsetky stanice vo vlaku:\n");
+    print_train(train);
+
+    printf("\nVyradujeme stanicu 'Kosice':\n");
+    train = clear_train(train, "Kosice");
+    print_train(train);
+
+    printf("\nZrusenie celeho vlaku:\n");
+    cancel_train(train);
+
+    return 0;
+}
+