create dev channel

zeta/kt/completed/11727.kt

@@ -0,0 +1,24 @@
+val Mem = Array<Int>(1001) { i ->
+    if (i == 1) {
+        1
+    } else if (i == 2) {
+        3
+    } else {
+        0
+    }
+}
+
+fun get(N: Int): Int {
+    if (Mem[N] != 0) {
+        return Mem[N]
+    } else {
+        Mem[N] = (get(N - 1) + 2 * get(N - 2)) % 10007
+        return Mem[N]
+    }
+}
+
+
+fun main() {
+    val N = readln().toInt()
+    println(get(N))
+}