diff --git a/cv1/program.c b/cv1/program.c
index cda7886..a2a72ab 100644
--- a/cv1/program.c
+++ b/cv1/program.c
@@ -1,9 +1,13 @@
 #include <stdio.h>
 #include <ctype.h>
 #include <stdbool.h>
-//  /                                 
+//                                   
 bool check(char* s2, char *pz)  
 {        
+    if(s2==NULL || pz==NULL)
+    {
+        return false;
+    }
     char *s=(char*) malloc(strlen(s2)+1);
     if(s==NULL)
     {
@@ -30,8 +34,8 @@ bool check(char* s2, char *pz)
 int main()
 {                
    
-    char r[300];//="8ryNd20va P1zza";
-    char pizz[99];//="piz"; 
+    char r[3000];//="8ryNd20va P1zza";
+    char pizz[990];//="piz"; 
     char *p;
     float price;
     int count =0;