diff --git a/a1/program.c b/a1/program.c
index b2980fe..27d925d 100644
--- a/a1/program.c
+++ b/a1/program.c
@@ -1,8 +1,8 @@
 #include <stdio.h>
 #include <assert.h>
 #include <stdlib.h>
-#include <ctype.h>
-//// @ 
+#include <stdbool.h>
+
 #define STACK_SIZE 200
 
 struct Stack
@@ -62,7 +62,8 @@ int main()
 
     int i=0;
     char c, cs;
-    while(str[i]!='\0')
+    bool is_ok=true;
+    while(str[i]!='\0' && is_ok)
     {
         c=str[i];
         if(c=='<'||c=='('||c=='{'||c=='[')
@@ -77,32 +78,34 @@ int main()
             else
             {
               printf("fghfghfgghfghfggh");  
-              break;
+              is_ok=false;
             }
             if(cs!='<')
             {
                 printf("Crossed bracket %c in %d, expected %c", c, i, para(c));
-                break;
+                is_ok=false;
             }
             if(cs!='(')
             {
                 printf("Crossed bracket %c in %d, expected %c", c, i, para(c));
-                break;
+                is_ok=false;
             }
             if(cs!='(')
             {
                 printf("Crossed bracket %c in %d, expected %c", c, i, para(c));
-                break;
+                is_ok=false;
             }
             if(cs!='{')
             {
                 printf("Crossed bracket %c in %d, expected %c", c, i, para(c));
-                break;
+                is_ok=false;
             }
         }
         i++;
     }
 
+    if(is_ok)
+      printf("All bracket OK");
 
 //Crossed bracket > in 12, expected )