diff --git a/cv7/program.c b/cv7/program.c
new file mode 100644
index 0000000..523b003
--- /dev/null
+++ b/cv7/program.c
@@ -0,0 +1,71 @@
+#include<stdio.h>
+#include<string.h>
+#include<assert.h>
+
+#define SIZE 100
+
+struct tree{
+    char value[SIZE];
+    struct tree* left;
+    struct tree* right;
+};
+
+struct tree* read_tree(){
+    char buffer[SIZE];
+    memset(buffer,0,SIZE);
+    char* r = fgets(buffer,SIZE,stdin);
+    assert(r);
+    struct tree* node = calloc(1,sizeof(struct tree));
+    memcpy(node->value,buffer,SIZE);
+    return node;
+}
+
+struct tstruct tree* load_tree() {
+    struct tree* tree = read_tree();
+
+    tree->left = load_tree();
+    tree->right = load_tree();
+
+    if (tree->value[0] == "*"){
+	re
+    }
+}
+
+void print_tree(struct tree* tree,int offset){
+    for (int i = 0; i < offset; i++){
+        printf(" ");
+    }
+    printf("%s",tree->question);
+    if (tree->left){
+        print_tree(tree->left,offset +3);
+        print_tree(tree->right,offset +3);
+    }
+}
+
+void destroy_tree(struct tree* tree){
+    if(tree->left != NULL){
+        destroy_tree(tree->left);
+    }
+    if(tree->right != NULL){
+        destroy_tree(tree->right);
+    }
+    free(tree);
+}
+
+void count_items(struct tree* tree, int* count){
+    if(tree->left == NULL && tree->right == NULL){
+        (*count)++
+    }else{
+	count_items(tree->left, count);
+	count_items(tree->right, count);
+    }
+}
+
+int main() {
+    printf("Constructing the tree:\n");
+    struct tree* root = test();
+    printf("The tree structure:\n");
+    print_tree(root, 0);
+
+    return 0;
+}