ss = [464,1564,8234,8564532156,45414654,5154,5,1544,21,32,45,12,15,1657,84,132,489,75,4,8967,654,6587,8,4,21,54,8,12,15,4,21,65]

def sort_ex(a, b):
    z = []
    i = 0
    j = 0

    while i < len(a) and j < len(b):
        if a[i] < b[j]:
            z += [a[i]]
            i += 1
        else:
            z += [b[j]]
            j += 1

    if i >= j:
        z += b[j:]
    else:
        z += a[i:]

    return z;
    pass

def sort(x):
    if len(x) == 1:
        return x;
    else:
        f = int(len(x)/2)
        m = sort(x[0:f])
        n = sort(x[f:])
        # print(f,m,n)
        return sort_ex(m,n)
    pass

print(len(ss),sort(ss))