diff --git a/problem/P1258/P1258.cpp b/problem/P1258/P1258.cpp
new file mode 100644
index 00000000..8796e041
--- /dev/null
+++ b/problem/P1258/P1258.cpp
@@ -0,0 +1,10 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    double s, a, b;
+    scanf("%lf%lf%lf", &s, &a, &b);
+    printf("%.6lf\n", ((b + a) * s / (b + 3 * a)) / b + (s - ((b + a) * s / (b + 3 * a))) / a);
+    return 0;
+}
diff --git a/problem/P1258/P1258.py b/problem/P1258/P1258.py
new file mode 100644
index 00000000..39721df9
--- /dev/null
+++ b/problem/P1258/P1258.py
@@ -0,0 +1,3 @@
+a = input().split()
+print('%.6lf' % (((int(a[2]) + int(a[1])) * int(a[0]) / (int(a[2]) + 3 * int(a[1]))) / int(a[2]) +
+                 (int(a[0]) - ((int(a[2]) + int(a[1])) * int(a[0]) / (int(a[2]) + 3 * int(a[1])))) / int(a[1])))