diff --git a/2019/day 4/P1/input.txt b/2019/day 4/P1/input.txt
new file mode 100644
index 0000000..a70b274
--- /dev/null
+++ b/2019/day 4/P1/input.txt	
@@ -0,0 +1 @@
+246540-787419
diff --git a/2019/day 4/P1/password.py b/2019/day 4/P1/password.py
new file mode 100644
index 0000000..a241094
--- /dev/null
+++ b/2019/day 4/P1/password.py	
@@ -0,0 +1,23 @@
+pswrange = [int(i) for i in open("input.txt").read().split("-")]
+
+valid = 0
+for i in range(pswrange[0], pswrange[1]):
+    i = str(i)
+    l = list(i)
+    c = 0
+    dec = False
+    double = False
+    while c < len(l)-1:
+        if l[c] <= l[c+1]:
+            pass
+        else:
+            dec = True
+            break
+        if i.count(l[c]) >= 2:
+            double = True
+        c+=1
+    if not dec and double:
+        valid+=1
+
+print(valid)
+