diff --git a/src/main.odin b/src/main.odin
index 562c402..a851bb5 100644
--- a/src/main.odin
+++ b/src/main.odin
@@ -1,7 +1,37 @@
 package main
 
 import "core:fmt"
+import "core:os"
+import "core:strconv"
+import "core:strings"
+
+DATA_FILE :: "res/knapPI_12_500_1000_82.csv"
+NUMBER_OF_ITEMS :: 500
+CAPACITY :: 280785
+
+Item :: struct {
+	profit, weight: int,
+}
+
+items: [NUMBER_OF_ITEMS]Item
+
+read_data :: proc(file: string) -> (res: [NUMBER_OF_ITEMS]Item, ok := true) {
+	data := string(os.read_entire_file(file) or_return)
+	data = strings.trim_space(data)
+	defer delete(data)
+
+	for line, idx in strings.split_lines(string(data))[1:] {
+		s := strings.split(line, ",")
+		res[idx] = {strconv.parse_int(s[1]) or_return, strconv.parse_int(s[2]) or_return}
+	}
+	return
+}
 
 main :: proc() {
-	fmt.println("hello world")
+	items, ok := read_data(DATA_FILE)
+	if !ok {
+		fmt.eprintln("failed to read data from", DATA_FILE)
+		return
+	}
+	fmt.println(items)
 }