diff --git a/two_sum.go b/two_sum/two_sum.go
similarity index 100%
rename from two_sum.go
rename to two_sum/two_sum.go
diff --git a/two_sum_test.go b/two_sum/two_sum_test.go
similarity index 100%
rename from two_sum_test.go
rename to two_sum/two_sum_test.go