n, d = map(int, input().split())
A = list(map(int, input().split()))
X = [0]*n
for i in range(1, n):
    X[i] = X[i-1]+A[i-1]
ans = []
for i in range(n):
    if i == 0:
        ans.append(X[i])
    else:
        if X[i]-X[i-1] >= d:
            ans.append(X[i])
        else:
            X[i] += d-X[i]+X[i-1]
            ans.append(X[i])
print(*ans)