diff --git a/2024/util.zig b/2024/util.zig
index d67c2f8..e4e9d03 100644
--- a/2024/util.zig
+++ b/2024/util.zig
@@ -9,3 +9,13 @@ pub fn readAllInput(day: u8, allocator: std.mem.Allocator) ![]const u8 {
     const stat = try file.stat();
     return try file.reader().readAllAlloc(allocator, stat.size);
 }
+
+pub fn inputToArrayList(comptime T: type, allocator: std.mem.Allocator, input: []const u8) !std.ArrayList(T) {
+    var out = std.ArrayList(T).init(allocator);
+    errdefer out.deinit();
+    var items = std.mem.tokenizeScalar(u8, input, ' ');
+    while (items.next()) |item| {
+        try out.append(try std.fmt.parseInt(T, item, 10));
+    }
+    return out;
+}