diff --git a/homework_01/task_01/src/main.cpp b/homework_01/task_01/src/main.cpp
index 0b3dcb2..e0bc778 100644
--- a/homework_01/task_01/src/main.cpp
+++ b/homework_01/task_01/src/main.cpp
@@ -3,8 +3,10 @@
 #include <utils.hpp>
 
 int main() {
-  for (const auto& word : SplitString("asdas das das fgag (adasd 1fas)")) {
-    std::cout << word << "\n";
+  for (const auto& word : SplitString(
+      "asdas das das fgag (adasd 1fas)")
+  ) {
+    std::cout << word<< "\n";
   }
   return 0;
 }
diff --git a/homework_01/task_01/src/utils.cpp b/homework_01/task_01/src/utils.cpp
index a6989bd..993cf3e 100644
--- a/homework_01/task_01/src/utils.cpp
+++ b/homework_01/task_01/src/utils.cpp
@@ -1,7 +1,51 @@
 #include "utils.hpp"
 
-#include <stack>
+#include <vector>
+#include <string>
 
-std::vector<std::string> SplitString(const std::string& data) {
-  return {};
-}
+std::vector<std::string> SplitString(const std::string& data, const char& del) {
+	std::vector <std::string> allstrings;
+	std::string onestring = "";
+	std::string brackets = { '(', ')' };
+	bool in_brackets = 0;
+	for (const char& symbol : data)
+	{
+		if (symbol != del && symbol != brackets[in_brackets] && symbol != '\t')
+			onestring.push_back(symbol);
+		else
+		{
+			if (in_brackets)
+			{
+				if (symbol == brackets[in_brackets])
+				{
+					onestring.push_back(symbol);
+					allstrings.push_back(onestring);
+					onestring = "";
+					in_brackets = 0;
+				}
+				else
+					onestring.push_back(symbol);
+			}
+			else
+			{
+				if (symbol == brackets[in_brackets])
+				{
+					if (onestring != "")
+						allstrings.push_back(onestring);
+					onestring = "";
+					onestring.push_back(symbol);
+					in_brackets = 1;
+				}
+				else
+				{
+					if (onestring != "")
+						allstrings.push_back(onestring);
+					onestring = "";
+				}
+			}
+		}
+	}
+	if (onestring != "")
+		allstrings.push_back(onestring);
+	return allstrings;
+}
\ No newline at end of file
diff --git a/homework_01/task_01/src/utils.hpp b/homework_01/task_01/src/utils.hpp
index 539ba98..c815da5 100644
--- a/homework_01/task_01/src/utils.hpp
+++ b/homework_01/task_01/src/utils.hpp
@@ -4,4 +4,4 @@
 #include <string_view>
 #include <vector>
 
-std::vector<std::string> SplitString(const std::string& data);
+std::vector<std::string> SplitString(const std::string& data, const char& del = ' ');
diff --git a/homework_01/task_02/src/utils.cpp b/homework_01/task_02/src/utils.cpp
index ebc7ffc..714ce95 100644
--- a/homework_01/task_02/src/utils.cpp
+++ b/homework_01/task_02/src/utils.cpp
@@ -1,7 +1,36 @@
 #include "utils.hpp"
 
-#include <stack>
-
-int Calculate(const std::string& data) {
-  return 0;
-}
+int Calculate(const std::string& data)
+{
+	int i = 0;
+	int a = 0;
+	while (isdigit(data[i])&& i < data.length())
+	{
+		a *= 10;
+		a += int(data[i]) - 48;
+		i++;
+	}
+	std::string operation = "";
+	while (!isdigit(data[i]) && i < data.length())
+	{
+		operation += data[i];
+		i++;
+	}
+	int b = 0;
+	while (isdigit(data[i]) && i < data.length())
+	{
+		b *= 10;
+		b += int(data[i]) - 48;
+		i++;
+	}
+	if (operation == "+")
+		return a + b;
+	else if (operation == "-")
+		return a - b;
+	else if (operation == "*")
+		return a * b;
+	else if (operation == "/")
+		return a / b;
+	else
+		return 36606;
+}
\ No newline at end of file
diff --git a/homework_01/task_02/src/utils.hpp b/homework_01/task_02/src/utils.hpp
index f1bceeb..c5ece52 100644
--- a/homework_01/task_02/src/utils.hpp
+++ b/homework_01/task_02/src/utils.hpp
@@ -5,3 +5,4 @@
 #include <vector>
 
 int Calculate(const std::string& data);
+