diff --git a/AdventOfCode2022.vcxproj b/AdventOfCode2022.vcxproj
index 5b339ee..cc76e90 100644
--- a/AdventOfCode2022.vcxproj
+++ b/AdventOfCode2022.vcxproj
@@ -133,6 +133,7 @@
     <ClCompile Include="src\days\day04.cpp" />
     <ClCompile Include="src\days\day05.cpp" />
     <ClCompile Include="src\days\day06.cpp" />
+    <ClCompile Include="src\days\day07.cpp" />
     <ClCompile Include="src\main.cpp" />
   </ItemGroup>
   <ItemGroup>
diff --git a/AdventOfCode2022.vcxproj.filters b/AdventOfCode2022.vcxproj.filters
index 23df08e..fbd3a16 100644
--- a/AdventOfCode2022.vcxproj.filters
+++ b/AdventOfCode2022.vcxproj.filters
@@ -36,6 +36,9 @@
     <ClCompile Include="src\days\day06.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="src\days\day07.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="src\aoc2022.h">
diff --git a/input/day07 b/input/day07
index e69de29..bcbb513 100644
--- a/input/day07
+++ b/input/day07
@@ -0,0 +1,23 @@
+$ cd /
+$ ls
+dir a
+14848514 b.txt
+8504156 c.dat
+dir d
+$ cd a
+$ ls
+dir e
+29116 f
+2557 g
+62596 h.lst
+$ cd e
+$ ls
+584 i
+$ cd ..
+$ cd ..
+$ cd d
+$ ls
+4060174 j
+8033020 d.log
+5626152 d.ext
+7214296 k
\ No newline at end of file
diff --git a/src/days/day07.cpp b/src/days/day07.cpp
index 9ca1440..6e17768 100644
--- a/src/days/day07.cpp
+++ b/src/days/day07.cpp
@@ -1,11 +1,69 @@
 #include "../aoc2022.h"
 
+enum ECommand {
+	eCD,
+	eLS,
+};
+struct SFileStructure {
+	std::string name;
+	SFileStructure* parent;
+	std::vector<SFileStructure*> children;
+};
+
+struct SDirectory : public SFileStructure{};
+struct SFile : public SFileStructure {
+	int fileSize;
+};
+
 template <typename Output>
 struct SDay07 : public SDay<Output> {
 	//Class constructor
 	using SDay<Output>::SDay;
 
+	SFileStructure* root = new SFileStructure{"/", nullptr, std::vector<SFileStructure*>};
+
 	//Solutions to both days
 	Output part1() override final { return Output(); }
 	Output part2() override final { return Output(); }
+
+	void parseInput() {
+		std::stringstream stream;
+		std::string line{ "" };
+		std::string instruction{ "" };
+		SFileStructure** current = root;
+
+		while (std::getline(this->input, line)) {
+			stream.clear();
+			stream.str(line);
+			stream >> instruction;
+
+			//Process a command
+			if (instruction == "$")
+				processCommand(stream, &current);
+				//Fill a directory
+				processDirectory();
+		}
+	}
+
+	SFileStructure** processCommand(std::stringstream& command, SFileStructure* directory) const {
+		std::string opcode, operand;
+		command >> opcode;
+		command >> operand;
+
+		if (opcode == "cd")
+			cd(directory, operand);
+
+		return &directory;
+	}
+
+	SFileStructure** processDirectory(std::stringstream& directoryElement, SFileStructure* directory) const {
+		std::string fileSize
+		directory->children.push_back(new SFile{ newDirectory, directory, std::vector<SFileStructure*> });
+		directory = directory->children.back();
+	}
+
+	void cd(SFileStructure* directory, const std::string& newDirectory) const {
+		directory->children.push_back(new SDirectory{ newDirectory, directory, std::vector<SFileStructure*> });
+		directory = directory->children.back();
+	}
 };