diff --git a/day2/part1/input b/day2/part1/input
new file mode 100644
index 0000000..23e2e9a
--- /dev/null
+++ b/day2/part1/input
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diff --git a/day2/part1/main.d b/day2/part1/main.d
new file mode 100644
index 0000000..a1a3eb1
--- /dev/null
+++ b/day2/part1/main.d
@@ -0,0 +1,31 @@
+import std;
+
+void main()
+{
+    auto passwords = slurp!(ulong, ulong, char, string)("input", "%s-%s %s: %s");
+    passwords.findNumberOfValidPasswords.writeln;
+}
+
+alias PasswordWithPolicy = Tuple!(ulong, ulong, char, string);
+
+ulong findNumberOfValidPasswords(PasswordWithPolicy[] passwords)
+{
+    return passwords.filter!(password => password.isPasswordValid).count;
+}
+
+bool isPasswordValid(PasswordWithPolicy password)
+{
+    immutable numberOfRequiredLetter = password[3].byChar.filter!(c => c == password[2]).count;
+    return numberOfRequiredLetter >= password[0] && numberOfRequiredLetter <= password[1];
+}
+
+unittest
+{
+    auto input = [
+        tuple(1UL, 3UL, 'a', "abcde"),
+        tuple(1UL, 3UL, 'b', "cdefg"),
+        tuple(2UL, 9UL, 'c', "ccccccccc")
+    ];
+
+    assert(input.findNumberOfValidPasswords == 2);
+}
diff --git a/day2/part2/input b/day2/part2/input
new file mode 100644
index 0000000..23e2e9a
--- /dev/null
+++ b/day2/part2/input
@@ -0,0 +1,1000 @@
+1-9 x: xwjgxtmrzxzmkx
+4-6 r: rrrkrgr
+4-5 v: vvfvvvn
+5-16 m: pxmrtmbmqmcldmmm
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+10-12 g: gggggggggzgvg
+2-7 n: dntnrng
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+2-6 r: frxrrrfjnmr
+6-7 h: hplhgcsphh
+4-5 w: wwwwz
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+3-4 c: cccc
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+6-7 g: vgggggdhgsp
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+2-3 d: hdbmbpswddwkkr
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+3-10 n: nnnnnnnnnnn
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+8-9 l: llllllltn
+1-2 p: dpcppp
+2-5 d: hcfdltbgt
+13-16 r: rrdrrqrrrrrsbrrr
+7-16 l: lllltllllllllllllrll
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+3-5 f: ffffb
+6-8 s: csssssjrbdsgs
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diff --git a/day2/part2/main.d b/day2/part2/main.d
new file mode 100644
index 0000000..37d8456
--- /dev/null
+++ b/day2/part2/main.d
@@ -0,0 +1,36 @@
+module day2.part2.main;
+
+import std;
+
+void main()
+{
+    const passwords = slurp!(size_t, size_t, char, string)("input", "%s-%s %s: %s");
+    passwords.findNumberOfValidPasswords.writeln;
+}
+
+alias PasswordWithPolicy = Tuple!(size_t, size_t, char, string);
+
+ulong findNumberOfValidPasswords(const PasswordWithPolicy[] passwords)
+{
+    return passwords.filter!(password => password.isPasswordValid).count;
+}
+
+bool isPasswordValid(const PasswordWithPolicy password)
+{
+    immutable pos1 = password[0] - 1;
+    immutable pos2 = password[1] - 1;
+    immutable character = password[2];
+    immutable actualPassword = password[3];
+    return (actualPassword[pos1] == character) != (actualPassword[pos2] == character);
+}
+
+unittest
+{
+    immutable input = [
+        tuple(1UL, 3UL, 'a', "abcde"),
+        tuple(1UL, 3UL, 'b', "cdefg"),
+        tuple(2UL, 9UL, 'c', "ccccccccc")
+    ];
+
+    assert(input.findNumberOfValidPasswords == 1);
+}