def solvewa(n, m, w):
    a = [0] * n
    if m == 0:
        return a
    w_one = sum(w) / m
    print(w_one)
    for i in range(n):
        a[i] = int(w[i] / w_one)
    return a

def solveac(n, m, w):
    from fractions import Fraction
    w_one = Fraction(sum(w), m)
    a = [0] * n
    for i in range(n):
        a[i] = int(Fraction(w[i], w_one))
    return a

n, m = map(int,input().split())
w = list(map(int,input().split()))
print(*solvewa(n,m,w))