//No.112 ややこしい鶴亀算 import java.util.*; import java.io.*; import static java.util.Arrays.*; import static java.lang.Math.*; public class No112 { static final InputStream in = System.in; static final PrintWriter out = new PrintWriter(System.out,false); static void solve(){ int n = nextInt(); int a = nextInt(); int cnt = 1; for (int i=0; i