diff --git a/cv5/program.c b/cv5/program.c
index 811f9ef..a7a3ae0 100644
--- a/cv5/program.c
+++ b/cv5/program.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #define SIZE 100
 
@@ -7,7 +8,12 @@ struct student {
     char name[SIZE];
     int score;
 };
- int compar(const void*,const void*);
+int compar(const void*,const void*);
+int loading_the_entire_line_from_standard_input_into_the_helper_field_and_verify_that_i_have_loaded_it_correctly(struct student *databaza,int *size_ptr);
+void parce_line_and_save_into_database(char line[],struct student *databaza, int *size_ptr);
+int retriving_integer(char *line,char** end);
+int find_index(struct student databaza[],int size, const char *xxx);
+void adding_an_item_to_the_database(struct student databaza[],int *size_ptr, const char* name,int score);
 
 int main()
 {
@@ -32,7 +38,7 @@ int loading_the_entire_line_from_standard_input_into_the_helper_field_and_verify
     char line[SIZE];
     memset(line,0,SIZE);
     char* r = fgets(line,SIZE,stdin);
-    if (r == NULL){
+    if (r == NULL||strlen(r)==1){
         return 0;
     }
     parce_line_and_save_into_database(line,databaza,size_ptr);
@@ -86,12 +92,12 @@ void adding_an_item_to_the_database(struct student databaza[],int *size_ptr, con
     }
 }
 int compar(const void* a,const void* b){
-    struct student * a_ptr = a;
-    struct student * b_ptr = b;
+    const struct student * a_ptr = a;
+    const struct student * b_ptr = b;
     if(a_ptr->score < b_ptr->score) {
         return 1;
     }
-    if(b_ptr->score > a_ptr->score) {
+    if(a_ptr->score > b_ptr->score) {
         return -1;
     }
     if(a_ptr->score == b_ptr->score){