diff --git a/2024/aggregate.go b/2024/aggregate.go
new file mode 100644
index 0000000..8c71d88
--- /dev/null
+++ b/2024/aggregate.go
@@ -0,0 +1,19 @@
+package adventoc2024
+
+func anyt(b []bool) bool {
+	for i := range b {
+		if b[i] {
+			return true
+		}
+	}
+	return false
+}
+
+func allt(b []bool) bool {
+	for i := range b {
+		if !b[i] {
+			return false
+		}
+	}
+	return true
+}