complete 30917.kt 30924.kt

storage/zeta/kt/completed/30924.kt

@@ -0,0 +1,24 @@
+fun main() = with(System.`in`.bufferedReader()) {
+    val a = run {
+        (1..9999).shuffled().forEach {
+            println("? A $it")
+            if (this.readLine().toInt() == 1) {
+                return@run it
+            }
+        }
+        10000
+    }
+
+    val b: Int = run {
+        val cand = (1..10000).shuffled()
+        cand.slice(0 until 9998).forEach {
+            println("? B $it")
+            if (this.readLine().toInt() == 1) {
+                return@run it
+            }
+        }
+        cand.last()
+    }
+
+    println("! ${a + b}")
+}