diff --git a/2024/day-07/main.go b/2024/day-07/main.go
index feae2ca..8729371 100644
--- a/2024/day-07/main.go
+++ b/2024/day-07/main.go
@@ -11,7 +11,7 @@ import (
 )
 
 func main() {
-	file, err := os.Open("./input_test.txt")
+	file, err := os.Open("./input.txt")
 	if err != nil {
 		log.Fatalf("failed to open file: %s\n", err)
 	}
@@ -49,21 +49,6 @@ func main() {
 	}
 
 	fmt.Println("result part1: ", result1)
-
-	// result1 := 0
-	//
-	// var nums []int
-	// nums = append(nums, 81, 40, 27)
-	//
-	// var mulEq []rune = make([]rune, 0)
-	// mulEq = append(mulEq, '*')
-	// var addEq []rune = make([]rune, 0)
-	// addEq = append(addEq, '+')
-	//
-	// testSolution(&result1, 3267, nums, mulEq)
-	// testSolution(&result1, 3267, nums, addEq)
-	//
-	// fmt.Println("result part1: ", result1)
 }
 
 func testSolution(result *bool, answer int, numbers []int, currentEquasion []rune) {
@@ -75,50 +60,46 @@ func testSolution(result *bool, answer int, numbers []int, currentEquasion []run
 		localNums := make([]int, len(numbers))
 		copy(localNums, numbers)
 
-		// maxlen := len(localNums)
-		for i := len(localNums) - 1; i > 0; i-- {
-			op := localEq[i-1]
-
-			if op == '|' {
-				// fmt.Println("befor: ", answer, localNums, string(localEq))
-				newNum := ""
-				newNum += fmt.Sprint(localNums[i-1])
-				newNum += fmt.Sprint(localNums[i])
-				newInt, err := strconv.Atoi(newNum)
-				if err != nil {
-					log.Fatal(err)
-				}
-
-				localNums[i-1] = newInt
-				localNums = slices.Delete(localNums, i, i+1)
-				localEq = slices.Delete(localEq, i-1, i)
-
-				// fmt.Printf("i: %d, op: %s, new: %d\n", i, string(op), newInt)
-				// fmt.Println("after: ", answer, localNums, string(localEq))
-				// fmt.Println()
-				// fmt.Println()
-
-			}
-		}
-
 		res := localNums[0]
-		for i := 1; i < len(localNums); i++ {
-			op := localEq[i-1]
-			if op == '*' {
-				res = (res * localNums[i])
+
+		for i := 0; i < len(localNums)-1; i++ {
+			op := localEq[i]
+			newNum := localNums[i]
+			var err error
+
+			switch op {
+			case '|':
+				{
+					newNum, err = strconv.Atoi(fmt.Sprint(localNums[i]) + fmt.Sprint(localNums[i+1]))
+				}
+			case '*':
+				{
+					newNum *= localNums[i+1]
+				}
+			case '+':
+				{
+					newNum += localNums[i+1]
+				}
 			}
-			if op == '+' {
-				res = (res + localNums[i])
+
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			localNums[i] = newNum
+			localNums = slices.Delete(localNums, i+1, i+2)
+			localEq = slices.Delete(localEq, i, i+1)
+			i--
+
+			if i < 0 {
+				res = newNum
 			}
 		}
 
-		fmt.Printf("ans: %d, nums: %d, eq: %s, res: %d\n", answer, localNums, string(localEq), res)
 		if res == answer {
-			fmt.Println(res, " correct")
 			*result = true
 		}
 
-		// fmt.Println(answer, numbers, currentEquasion, res)
 		return
 	}