diff --git a/2024/day1.zig b/2024/day1.zig
index 8f8fbad..2f6779b 100644
--- a/2024/day1.zig
+++ b/2024/day1.zig
@@ -1,16 +1,13 @@
 const std = @import("std");
 const print = std.debug.print;
 
-pub fn main() !void {
-    const file = try std.fs.cwd().openFile("day1.txt", .{});
-    defer file.close();
+const util = @import("util.zig");
 
+pub fn main() !void {
     var gpa = std.heap.GeneralPurposeAllocator(.{}){};
-    defer std.debug.assert(gpa.deinit() == .ok);
     const allocator = gpa.allocator();
 
-    const stat = try file.stat();
-    const input = try file.reader().readAllAlloc(allocator, stat.size);
+    const input = try util.readAllInput(1, allocator);
     defer allocator.free(input);
 
     var l1 = std.ArrayList(i32).init(allocator);