diff --git a/solutions/gleam/leap/1/src/leap.gleam b/solutions/gleam/leap/1/src/leap.gleam
new file mode 100644
index 0000000..8278692
--- /dev/null
+++ b/solutions/gleam/leap/1/src/leap.gleam
@@ -0,0 +1,3 @@
+pub fn is_leap_year(year: Int) -> Bool {
+  year%4==0 && {year%100!=0 || year%400==0}
+}