import std.stdio;
import std.algorithm;

void main()
{
    int n;
    readf("%d", &n);
    int[4] p = [1, 2, 4, 8];
    int[4] k = [0, 0, 0, 0];
    foreach_reverse(i, v; p)
    {
        while(n - v >= 0) {
            k[i]++;
            n -= v;
        }
        if (n == 0) break;
    }
    ulong cnt = k[0..$].filter!"a != 0".count;
    writeln(cnt);
    foreach (idx, v; k) {
        for(int i = 0; i < v; ++i)
        {
            writeln(p[idx]);
        }
    }
}