import std.conv, std.functional, std.range, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, 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)); }


bool solve(const(long[]) A) {
  const N = cast(int)(A.length);
  
  auto bs = new long[N];
  bs[0] = A[0];
  foreach (i; 1 .. N) {
    bs[i] = A[i] - bs[i - 1];
  }
  foreach (i; 0 .. N) {
    if (bs[i] < 0) {
      return false;
    }
  }
  if (bs[N - 1] != 0) {
    return false;
  }
  
  auto can = new bool[N - 1];
  foreach (i; 0 .. N - 1) if (bs[i] > 0) {
    can[i] = ((A[i] & 1) == (A[i + 1] & 1));
  }
  foreach (i; 1 .. N - 1) if (bs[i] > 0) {
    if (can[i - 1]) can[i] = true;
  }
  foreach_reverse (i; 0 .. N - 1 - 1) if (bs[i] > 0) {
    if (can[i + 1]) can[i] = true;
  }
  foreach (i; 0 .. N) if (bs[i] > 0) {
    if (!can[i]) {
      return false;
    }
  }
  
  int[] cuts;
  cuts ~= 0;
  foreach (i; 0 .. N - 1) if (bs[i] == 0) {
    cuts ~= i + 1;
  }
  const len = cast(int)(cuts.length);
  cuts ~= N;
  
  auto cnt = new int[2][N + 1];
  foreach (i; 0 .. N) {
    cnt[i + 1] = cnt[i];
    if (A[i] & 1) {
      ++cnt[i + 1][i & 1];
    }
  }
  
  foreach (j; 0 .. len) {
    const i0 = cuts[j];
    const i1 = cuts[j + 1];
    if (cnt[i1][0] - cnt[i0][0] != cnt[i1][1] - cnt[i0][1]) {
      return false;
    }
    if (i1 - i0 >= 2) {
      bool ok;
      foreach (i; i0 .. i1 - 1) if ((A[i] & 1) == (A[i + 1] & 1)) {
        ok = ok || (bs[i] >= 2);
        ok = ok || (bs[i] == 1 && cnt[i][0] - cnt[i0][0] + (!(i & 1) && !(A[i] & 1)) == cnt[i][1] - cnt[i0][1] + ((i & 1) && !(A[i] & 1)));
      }
      if (!ok) {
        return false;
      }
    }
  }
  
  return true;
}

void main() {
  debug {{
    enum N = 10;
    enum A = 5;
    auto dp = new bool[A^^N];
    dp[0] = true;
    foreach (p; 0 .. A^^N) if (dp[p]) {
      const as = iota(N).map!(i => p / A^^i % A).array;
      foreach (i; 0 .. N - 1) {
        if (as[i] + 1 < A && as[i + 1] + 1 < A && (as[i] & 1) == (as[i + 1] & 1)) {
          dp[p + A^^i + A^^(i + 1)] = true;
        }
      }
    }
    foreach (p; 0 .. A^^N) {
      const as = iota(N).map!(i => cast(long)(p / A^^i % A)).array;
      const res = solve(as);
      assert(dp[p] == res, format("%s: %s %s", as, dp[p], res));
    }
  }}
  
  try {
    for (; ; ) {
      const N = readInt;
      auto A = new long[N];
      foreach (i; 0 .. N) {
        A[i] = readInt;
      }
      
      const ans = solve(A);
      writeln(ans ? "Yes" : "No");
    }
  } catch (EOFException e) {
  }
}