static void Main(string[] args)
{
var reader = new TextReaderHelper(new StreamReader(Console.OpenStandardInput(), Encoding.ASCII, false, 1048576));
var writer = new StreamWriter(Console.OpenStandardOutput(), Encoding.ASCII, 1048576);
int n = reader.NextInt(), s = reader.NextInt();
var B = new SortedDictionary <int, int>(new BuyComparer());
var S = new SortedDictionary <int, int>();
for (int i = 1; i <= n; i++)
{
SortedDictionary <int, int> Now;
if (reader.NextString() == "B")
{
Now = B;
}
else
{
Now = S;
}
int p = reader.NextInt(), q;
Now.TryGetValue(p, out q);
Now[p] = q + reader.NextInt();
}
var Emtr = S.GetEnumerator();
var stack = new Stack <string>();
for (int i = 1; i <= s && Emtr.MoveNext(); i++)
{
stack.Push(string.Format("S {0} {1}", Emtr.Current.Key, Emtr.Current.Value));
}
while (stack.Count > 0)
{
writer.WriteLine(stack.Pop());
}
Emtr = B.GetEnumerator();
for (int i = 1; i <= s && Emtr.MoveNext(); i++)
{
writer.WriteLine("B {0} {1}", Emtr.Current.Key, Emtr.Current.Value);
}
writer.Flush();
Pause();
}