diff --git a/src/day10/day10.go b/src/day10/day10.go
new file mode 100644
index 0000000..e23e5bd
--- /dev/null
+++ b/src/day10/day10.go
@@ -0,0 +1,64 @@
+package main
+
+import (
+	"AOC2021/src/helper"
+	"fmt"
+	"os"
+	"sort"
+)
+
+func main() {
+	args := os.Args[1:]
+	input, err := helper.GetInput(args[0])
+	if err != nil {
+		fmt.Println(err)
+	}
+	pointsMapper := map[rune]int{')': 3, ']': 57, '}': 1197, '>': 25137}
+	sumPart1 := 0
+	sumsPart2 := make([]int,0)
+	for _, row := range input {
+		errorRune, restScore := checkRow(row)
+		sumPart1 += pointsMapper[errorRune]
+		if errorRune == ' ' {
+			sumsPart2 = append(sumsPart2, restScore)
+		}
+	}
+	fmt.Println(sumPart1)
+	sort.Ints(sumsPart2)
+	fmt.Println(sumsPart2[len(sumsPart2)/2])
+}
+
+func checkRow(row string) (errorRune rune, restScore int) {
+	openChunks := make([]rune, 0)
+	errorRune = ' '
+	for _, char := range row {
+		switch char {
+		case '(', '[', '{', '<':
+			openChunks = append(openChunks, char)
+		case '>', ']', '}':
+			if char != openChunks[len(openChunks)-1]+2 {
+				errorRune = char
+				return
+			}
+			openChunks = openChunks[:len(openChunks)-1]
+		case ')':
+			if char != openChunks[len(openChunks)-1]+1 {
+				errorRune = char
+				return
+			}
+			openChunks = openChunks[:len(openChunks)-1]
+		}
+	}
+	restScore = caclulateScoreForIncompletePart(openChunks)
+	return
+}
+
+func caclulateScoreForIncompletePart(openChunks []rune) int {
+	pointsMapper := map[rune]int{'(': 1, '[': 2, '{': 3, '<': 4}
+	sum := 0
+	for i := len(openChunks)-1; i>= 0; i-- {
+		pointForChar := pointsMapper[openChunks[i]]
+		sum = sum * 5 + pointForChar
+	}
+	return sum
+}
diff --git a/src/day10/day10Input.txt b/src/day10/day10Input.txt
new file mode 100644
index 0000000..9907fe2
--- /dev/null
+++ b/src/day10/day10Input.txt
@@ -0,0 +1,94 @@
+[[<[<{[<{{<[{(()[])[[]()]}[((){})<[]{}>]}<<{[]{}}<(){}>><([]<>)>>>[[[<<>>[<><>]][<<>>(<><>)]][{
+((<[(<<(<{<((<()<>>{()()}){<<>><()[]>})([{<>{}}(()[])]{(<><>>})>(<((()())<[][]>)>([(<>{})({}())][<
+<<<(<<[[((({<([]<>)[[]]>{<{}>{(){}}}}{[<[][]><<>[]>]({<><>}{()<>})})[<<({}())(()<>)>[([]{})<[]()>]>({[[]
+<(<<<[((([{({((){})<<>{}>}[<(){}>[<>()]])[[<{}[]>({}{}]](<<>[]><[]<>>)]}](<[({[][]}<()<>>)<[
+{<<<{[({{(<<(<<>[]><[]()>){<[][]>{<>{}}}>((({}())([]<>))[<{}{}>({}())])>(<<<()[]>><<<>{}>(()<
+{<{<<[[(<<[{<<{}[]>>([<>()]{{}{}})}]<(<{<>()}{{}()}>{({}[])<<>()>})>>>){[{[{<[[]{}][<><>]>}{(<{}(
+(((([(({((<[<(<>{})[{}{}]>](<[()<>]{<><>}>)><<[<[]{}>((){})]<[()[]]>>{[{<>()}((){})]({()[]}(()[]))}>))}(
+<<[(({({(<{{((<>[])[[]<>])([<>]{()()})}<<{<>[]}><<{}()>>>}>)(<(<{<()[]><(){}>}{{(){}}[{}<>]}>{
+(([[{<[<<{[<{<()[]>{<>[]}}{<{}{}>{[]<>}}>[{<{}{}>(<>[])}]]{<<({}[])>(<[]<>>[{}])>({{<>()}(<
+(<{{(<<{[([<<{()[]}>{({}<>){<>[]}]>((<[]{}><{}{}>))]([{(()<>)(<>[])}]<<((){})<<>{}>>[(()[])
+{{[[<<{<{{{([{()[]}[{}()]]{(<>{}){<><>}}){<[[][]][()[]]>}}<{{<[][]>[{}[]]>(<<>{}><{}{}>)}>}}<<{[{([](
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+[{(<<{[<<([{[<[][]>][{()()}({}())]}]([{([]{})<{}<>>}(<()>[{}])]{<([]<>)<{}{}>>(({}<>)<<><>>)}))>([[((<<>{}
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+{<[[<[{{<((<[<<>()><[]{}>][<{}()><{}{}>]>)[[[[[][]]<()[]}][([]{})(()())]]])>[[((<{[]<>}<()>><[{}[]](<><>)>
+<{([{[{[{([({<{}[]>([]<>)}[[[][]]<()()>])[<[{}()]>{<<><>>(()<>)}]]){({(<[]<>>([]<>))[(<>){
+[{{<(({<{[{<{({})(<>[])}({<><>}{[]()})>(({[]<>}(<>{}))[{()()}{{}<>}])}{<{{<>()}<[]{})}(<()><(
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+<<[[<<[(<{{{[{()[]}([]())][[[]]((){})]}}(([{[][]}[()()]]<<()>[{}[]]>))}>)<{({{<[[][]]{()()}><<{}{}
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+{(({([[{{((([<()()>([][])]<<{}[]>[<>]>)(<{<><>}[{}{}]>[[<>{}]]))[{<<[][]>[()]><[{}{}]>}{<([]<>)([]<>)>}]
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+([[{({([({<<(<[]<>>)[{()[]}<<>()>]><<{<>()}<<>[]>>[[<>{}]<<><>>]>)<<<<<>[]><<><>>>[[[]]]>[{
+[{{([(<[[<{((([]{})[()()])[<[]{}>[<>()]])<[{()()}(<>{})]({[]}[<>{}])>}((<{[]()}>)({<{}{}>[
+[[[{{[[[<<(<(({}())[<>{}])<{{}<>}(()())>>[[((){})][[[]{}]{()}]])>>{[(<([{}{}]({}<>))([{}()]<<>[]])>({<
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\ No newline at end of file
diff --git a/src/day10/day10Test.txt b/src/day10/day10Test.txt
new file mode 100644
index 0000000..2f182d8
--- /dev/null
+++ b/src/day10/day10Test.txt
@@ -0,0 +1,10 @@
+[({(<(())[]>[[{[]{<()<>>
+[(()[<>])]({[<{<<[]>>(
+{([(<{}[<>[]}>{[]{[(<()>
+(((({<>}<{<{<>}{[]{[]{}
+[[<[([]))<([[{}[[()]]]
+[{[{({}]{}}([{[{{{}}([]
+{<[[]]>}<{[{[{[]{()[[[]
+[<(<(<(<{}))><([]([]()
+<{([([[(<>()){}]>(<<{{
+<{([{{}}[<[[[<>{}]]]>[]]
\ No newline at end of file