diff --git a/a1/prog b/a1/prog
index 6c5e973..521b61e 100755
Binary files a/a1/prog and b/a1/prog differ
diff --git a/a1/program.c b/a1/program.c
index 0c360ce..89ffff5 100644
--- a/a1/program.c
+++ b/a1/program.c
@@ -56,42 +56,47 @@ char getExpectedClosing(char open) {
         default: return '?'; 
     }
 }
-
 int main() {
     char input[MAX_SIZE];
 
     if (fgets(input, MAX_SIZE, stdin) != NULL) {
         input[strcspn(input, "\n")] = '\0';
-        printf("Read: %s\n", input); // Додано "Read: "
+        printf("Read: %s\n", input);
 
         int err = 0;
         if (is_valid_brackets(input, &err)) {
-            printf("All brackets OK\n"); // Змінено з "True"
+            printf("All brackets OK\n");
         } else {
             char stack[MAX_SIZE];
             int top = -1;
-            for (int i = 0; i < strlen(input) ; i++) {
+
+            for (int i = 0; i < err; i++) {
                 char c = input[i];
                 if (c == '(' || c == '[' || c == '{' || c == '<') {
                     stack[++top] = c;
                 } else if (c == ')' || c == ']' || c == '}' || c == '>') {
-                    top--;
+                    if (top >= 0 && c == getExpectedClosing(stack[top])) {
+                        top--;
+                    } else {
+                        printf("Crossed bracket %c in %d, expected %c\n",
+                               c, err, (top >= 0) ? getExpectedClosing(stack[top]) : '?');
+                        return 0;
+                    }
                 }
             }
+
             char c = input[err - 1];
             if (c == ')' || c == ']' || c == '}' || c == '>') {
-		if (top <-1) {
-                    printf("Unexpected closing bracket %c in %d\n", c, err-1);
-                } else {
-                    printf("Crossed bracket %c in %d, expected %c \n", c, err-1, getExpectedClosing(stack[err-2]));
+                if (top < -1) {
+                    printf("Unexpected closing bracket %c in %d\n", c, err);
                 }
             } else {
-            printf("Missing closing brackets: ");
+                printf("Missing closing brackets: ");
                 for (int i = top; i > -1; i--) {
                     printf("%c", getExpectedClosing(stack[i]));
                 }
                 printf("\n");
-	    }
+            }
         }
     } else {
         printf("Error reading input\n");