diff --git a/a2/program.c b/a2/program.c
index e69de29..75bacfb 100644
--- a/a2/program.c
+++ b/a2/program.c
@@ -0,0 +1,50 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+void print(int arr[], int n, int index, int level) {
+         if (index < n) {
+                for (int i = 0; i < level; i++) {
+                        printf(" ");
+                }
+                printf("%d\n", arr[index]);
+
+                int left_index = 2 * index + 1;
+                int right_index = 2 * index + 2;
+
+                print(arr, n, left_index, level + 1);
+                print(arr, n, right_index, level + 1);
+         }
+}
+int binary (int arr[], int n) {
+        for (int i = 0; i < n; i++) {
+                int left_index = 2 * i + 1;
+                int right_index = 2 * i + 2;
+
+                if (left_index < n && arr[left_index] < arr[i]) {
+                return 0;
+                }
+
+                if (right_index < n && arr[right_index] < arr[i]) {
+                return 0;
+                }
+        }
+        return 1;
+}
+int main () {
+        int arr[100];
+        int n = 0;
+
+        while (scanf("%d", &arr[n]) == 1) {
+        n++;
+        }
+
+        if (binary(arr,n)) {
+        printf("Je to taka kopa:\n");
+        print(arr, n, 0, 0);
+
+        }else{
+        printf("Nie je kopa.\n");
+        }
+
+        return 0;
+}
\ No newline at end of file