import std.conv, std.functional, std.range, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.complex, std.container, std.math, 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)); } void main() { enum LIM_N = 250; enum LIM_K = 10000; auto seqs = new int[][LIM_K + 1]; foreach (a1; 0 .. LIM_N + 1) foreach (a2; 0 .. LIM_N - a1 + 1) foreach (a3; 0 .. LIM_N - a1 - a2 + 1) { if (a1 + a2 + a3 > 0) { int k; k += a1 * (a1 - 1) / 2; k += a1 * a2; k += a2 * a3; if (k <= LIM_K && seqs[k] is null) { seqs[k] = [0, a1, a2, a3]; } } } foreach (k; 0 .. LIM_K + 1) { if (seqs[k] is null) { stderr.writeln("k = ", k); break; } } try { for (; ; ) { const K = readInt(); int[] ans; foreach (i, c; seqs[K]) { ans ~= (cast(int)(i)).repeat(c).array; } writeln(ans.length); writeln(ans.to!string.replaceAll(regex(`[\[\],]`), "")); } } catch (EOFException e) { } }