import std.conv, std.functional, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.complex, std.container, std.math, std.numeric, std.range, std.regex, std.typecons; import core.bitop; class EOFException : Throwable { this() { super("EOF"); } } string[] tokens; string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; } int readInt() { return readToken.to!int; } long readLong() { return readToken.to!long; } real readReal() { return readToken.to!real; } bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } } bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } } int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; } int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); } int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); } int N, M; int[] U, V; int Q; int[] A; void main() { try { for (; ; ) { N = readInt(); M = readInt(); U = new int[M]; V = new int[M]; foreach (i; 0 .. M) { U[i] = readInt() - 1; V[i] = readInt() - 1; } Q = readInt(); A = new int[Q]; foreach (q; 0 .. Q) { A[q] = readInt() - 1; } auto graph = new int[][N]; foreach (i; 0 .. M) { graph[U[i]] ~= V[i]; graph[V[i]] ~= U[i]; } foreach (q; 0 .. Q) { DList!int que; auto dist = new int[N]; dist[] = -1; dist[A[q]] = 0; que.insertBack(A[q]); for (; !que.empty; ) { const u = que.front; que.removeFront; foreach (v; graph[u]) { if (dist[v] == -1) { dist[v] = dist[u] + 1; que.insertBack(v); } } } int cnt, mx; foreach (u; 0 .. N) { if (dist[u] != -1) { ++cnt; chmax(mx, dist[u]); } } int ans; for (ans = 0; (1 << ans) < mx; ++ans) {} writeln(cnt - 1, " ", ans); } } } catch (EOFException e) { } }