import std.stdio,
       std.string,
       std.conv,
       std.algorithm;

void main() {
  int N = readln.chomp.to!(int);
  int[] buf = readln.chomp.split.to!(int[]);
  int D = buf[0], X = buf[1];
  int[] A;
  for (int i = 0; i < N; i++) {
    A ~= readln.chomp.to!(int);
  }

  int ans;
  for (int i = 0; i < N; i++) {
    for (int j = 0; j * A[i] + 1 <= D; j++) {
      ans++;
    }
  }

  writeln(ans + X);
}
