diff --git a/a2/program.c b/a2/program.c
index 46bcc37..021a706 100644
--- a/a2/program.c
+++ b/a2/program.c
@@ -68,16 +68,16 @@ int main(){
     printf("%s", line);
 
     int l = strlen(line);
-    int i, j = 0;
+    int i, j = -1;
     char *a = calloc(l, sizeof(char));
     char *b = calloc(l, sizeof(char));
      
     for(i = 0; i < l; i++){
         if(line[i] == '{' || line[i] == '(' || line[i] == '[' || line[i] == '<'){
             push(line[i]);
+            j++;
             a[j] = gettop();
             b[j] = right_pair(a[j]);
-            j++;
         }
         if(line[i] == '}' || line[i] == ')' || line[i] == ']' || line[i] == '>'){   
             if(s.size == -1){
@@ -85,8 +85,8 @@ int main(){
                 return 0; 
 
             }
-            else if(!find_pair(gettop(), line[i])){
-                printf("Crossed bracket %c in %d, expected %c\n", line[i], i, b);
+           else if(!find_pair(gettop(), line[i])){
+                printf("Crossed bracket %c in %d, expected %c\n", line[i], i, b[j]);
                 return 0;            
             }
             else{
@@ -99,7 +99,7 @@ int main(){
     int h;
     while(begin < end){
         h = b[begin];
-        b[begin] = b[--end];
+        b[begin++] = b[--end];
         b[end] = h;
     }