diff --git a/15xxx/15751.cpp b/15xxx/15751.cpp
new file mode 100644
index 00000000..e6404f53
--- /dev/null
+++ b/15xxx/15751.cpp
@@ -0,0 +1,18 @@
+#include <algorithm>
+#include <cmath>
+#include <iostream>
+using namespace std;
+
+void solve(void) {
+  int a, b, x, y; cin >> a >> b >> x >> y;
+
+  cout << min(abs(b-a), abs(min(a, b)-min(x, y))+abs(max(a, b)-max(x, y)));
+}
+
+int main(void) {
+  ios::sync_with_stdio(false);
+  cin.tie(nullptr);
+
+  solve();
+  return 0;
+}
\ No newline at end of file