diff --git a/src/commands/delete.🗿 b/src/commands/delete.🗿
index 40dee42..ff4c3b3 100644
--- a/src/commands/delete.🗿
+++ b/src/commands/delete.🗿
@@ -8,13 +8,14 @@ cmd_delete(data, args)
 		return 1;
 	}
 	i = [data + LOCATION_CURRENT_LINE];
+	free ([[[data + LOCATION_ARRAY] + [data + LOCATION_CURRENT_LINE]] + MAP_VALUE]);
+	free ([[data + LOCATION_ARRAY] + [data + LOCATION_CURRENT_LINE]]);
 	[data + LOCATION_LENGTH] = [data + LOCATION_LENGTH] - 1;
-	free([[[data + LOCATION_ARRAY] + LOCATION_CURRENT_LINE] + MAP_VALUE]);
-	free([[data + LOCATION_ARRAY] + LOCATION_CURRENT_LINE]);
 	loop
 	{
 		if (i == [data + LOCATION_LENGTH])
 			return 0;
 		[[data + LOCATION_ARRAY] + i] = [[data + LOCATION_ARRAY] + i + 1];
+		i++;
 	}
 }
diff --git a/src/main.🗿 b/src/main.🗿
index 525995b..faafbaf 100644
--- a/src/main.🗿
+++ b/src/main.🗿
@@ -2,10 +2,92 @@ enum LOCATION_LENGTH, LOCATION_CURRENT_LINE, LOCATION_ARRAY, LOCATION_MODE;
 enum MODE_PRINT, MODE_NO_PRINT;
 define DATA_SIZE=4;
 
-parsing(data, cmd_ptr)
+range(start, stop)
+{
+	local i;
+	local sign;
+	local tab;
+	
+	if (start > stop)
+		sign = 0 - 1;
+	else
+		sign = 0 + 1;
+	tab = galloc((stop - start) * sign + 1 + (start == stop));
+	if (tab == NULL)
+		return NULL;
+	i = 0;
+	loop
+	{
+		[tab + i + 1] = start + (i * sign);
+		if (start + (i * sign) == stop)
+			break;
+		i++;
+	}
+	[tab] = i + (start == stop);
+	return tab;
+}
+
+get_number(data, str)
+{
+	local ranges;
+	local start = 0 -1;
+	local stop = 0 -1;
+
+	if ([[str]] == '%')
+	{
+		ranges = range(0, [data + LOCATION_LENGTH]);
+		[str] = [str] + 1;
+	}
+	else
+	{
+		loop
+		{
+			if ([[str]] == '$')
+			{
+				if (start == 0 - 1)
+					start = data + LOCATION_LENGTH;
+				else
+					stop = data + LOCATION_LENGTH;
+				[str] = [str] + 1;
+			}
+			else if (isdigit([[str]]))
+			{
+				if (start == 0 - 1)
+					start = aton([str]) - 1;
+				else
+					stop = aton([str]) - 1;
+				loop
+				{
+					if (isdigit([[str]]) == 0)
+						break;
+					[str] = [str] + 1;
+				}
+			}
+			else
+				break;
+			if ((start != 0 - 1 & stop != 0 - 1) | [[str]] == ',')
+				[str] = [str] + 1;
+			else
+				break;
+		}
+		if (start != 0 - 1)
+		{
+			if (stop != 0 - 1)
+				ranges = range(start, stop);
+			else
+				ranges = range(start, start);
+		}
+		else
+			ranges = range([data + LOCATION_CURRENT_LINE], [data + LOCATION_CURRENT_LINE]);
+	}
+	return ranges;
+}
+
+parsing(data, cmd_ptr, ranges_ptr)
 {
 	local input;
 	local tmp;
+	local i;
 	local line_application;
 
 	input = get_input(data, "(default)", NULL);
@@ -17,25 +99,8 @@ parsing(data, cmd_ptr)
 		[cmd_ptr] = strdup("p");
 		return [cmd_ptr] == NULL;
 	}
-	if (isdigit([input]) == 1)
-	{
-		line_application = aton(input);
-		if (line_application == 0 | line_application >= [data + LOCATION_LENGTH] + 1)
-		{
-			[cmd_ptr] = NULL;
-			putstr("invalid line\n");
-			free(input);
-			return 0;
-		}
-		[data + LOCATION_CURRENT_LINE] = line_application - 1;
-	}
 	tmp = input;
-	loop
-	{
-		if (isdigit([tmp]) == 0)
-			break;
-		tmp++;
-	}
+	[ranges_ptr] = get_number(data, &tmp);
 	if (strcmp(tmp, "") == 0)
 		[cmd_ptr] = strdup("p");
 	else
@@ -43,6 +108,14 @@ parsing(data, cmd_ptr)
 	free(input);
 	if ([cmd_ptr] == NULL)
 		return 1;
+	i = 0;
+	loop
+	{
+		if ([[ranges_ptr]] == i)
+			break;
+		[[ranges_ptr] + i + 1] = [[[data + LOCATION_ARRAY] + [[ranges_ptr] + i + 1]] + MAP_KEY];
+		i++;
+	}
 }
 
 global id=0;
@@ -51,6 +124,8 @@ main()
 {
 	local data;
 	local cmd;
+	local ranges;
+	local i;
 
 	data = galloc(DATA_SIZE);
 	if (data == NULL)
@@ -75,23 +150,32 @@ main()
 	}
 	loop
 	{
-		if (parsing(data, &cmd))
+		if (parsing(data, &cmd, &ranges))
 			return 1;
-		if (cmd != NULL)
+		i = 0;
+		loop
 		{
-			if (strcmp(cmd, "a") == 0)
-				cmd_add(data, NULL);
-			else if (strcmp(cmd, "p") == 0)
-				cmd_print(data, NULL);
-			else if (strcmp(cmd, "n") == 0)
-				cmd_numbered(data, NULL);
-			else if (strcmp(cmd, "d") == 0)
-				cmd_delete(data, NULL);
-			else if (strcmp(cmd, "h") == 0)
-				cmd_help(data, NULL);
-			else
-				error(data, "cmd not foud");
-			free(cmd);
+			if (i == [ranges])
+				break;
+			[data + LOCATION_CURRENT_LINE] = get_line_index_by_id(data, [ranges + 1 + i]);
+			if (cmd != NULL)
+			{
+				if (strcmp(cmd, "a") == 0)
+					cmd_add(data, NULL);
+				else if (strcmp(cmd, "p") == 0)
+					cmd_print(data, NULL);
+				else if (strcmp(cmd, "n") == 0)
+					cmd_numbered(data, NULL);
+				else if (strcmp(cmd, "d") == 0)
+					cmd_delete(data, NULL);
+				else if (strcmp(cmd, "h") == 0)
+					cmd_help(data, NULL);
+				else
+					error(data, "cmd not foud");
+				free(cmd);
+			}
+			i++;
 		}
+		free(ranges);
 	}
 }
diff --git a/src/utils.🗿 b/src/utils.🗿
index 1cd07d8..2ef6616 100644
--- a/src/utils.🗿
+++ b/src/utils.🗿
@@ -30,3 +30,18 @@ get_input(data, description, buffer)
 	else
 		return geadline2("", buffer);
 }
+
+get_line_index_by_id(data, id)
+{
+	local i;
+
+	i = 0;
+	loop
+	{
+		if ([[[data + LOCATION_ARRAY] + i] + MAP_KEY] == id)
+			return i;
+		if ([data + LOCATION_LENGTH] == i)
+			return 0;
+		i++;
+	}
+}