1551. 수열의 변화

i,j = map(int,input().split())
N = list(map(int,input().split(",")))
for _ in range(j):
    for a in range(len(N)-1):
        N[a] = N[a+1]-N[a]
    N = N[:-1]
ans = map(str,N)
print(','.join(ans))