public void Solve(ConsoleInput cin)
{
var S = cin.Read.Reverse();
var words = new string[] { "maerd", "remaerd", "esare", "resare" };
var flag = true;
for (int i = 0; i < S.Length;)
{
var flag2 = false;
foreach (var x in words)
{
if (S.Length - i < x.Length)
{
continue;
}
if (S.Substring(i, x.Length) == x)
{
flag2 = true;
i += x.Length;
break;
}
}
if (!flag2)
{
flag = false;
break;
}
}
if (flag)
{
Console.WriteLine("YES");
}
else
{
Console.WriteLine("NO");
}
}
public void Solve(ConsoleInput cin)
{
var n = int.Parse(cin.ReadLine);
var r = cin.ReadIntArray(n);
if (n == 1 && r[0] == 1)
{
Console.WriteLine(0);
return;
}
int cnt = 0;
int num = 1;
bool flg = false;
for (int i = 0; i < n; i++)
{
if (r[i] == num)
{
num++;
flg = true;
}
else
{
cnt++;
}
}
if (flg)
{
Console.WriteLine(cnt);
}
else
{
Console.WriteLine(-1);
}
}
public void Solve(ConsoleInput cin)
{
// ここに処理を書く
long a = cin.ReadLong;
long b = cin.ReadLong;
long k = cin.ReadLong;
long ar;
long br;
if (a < k)
{
ar = 0;
long tmp = k - a;
br = Math.Max(0, b - tmp);
}
else
{
ar = a - k;
br = b;
}
Console.WriteLine(ar + " " + br);
}
public void Solve(ConsoleInput cin)
{
Console.WriteLine(cin.ReadLine.Count(x => x == '1'));
}