#include <cstdlib> #include <cctype> #include <cstring> #include <cstdio> #include <cmath> #include <algorithm> #include <vector> #include <string> #include <iostream> #include <sstream> #include <map> #include <set> #include <queue> #include <stack> #include <fstream> #include <numeric> #include <iomanip> #include <bitset> #include <list> #include <stdexcept> #include <functional> #include <utility> #include <ctime>using namespace std;typedef long long LL;typedef unsigned long long ULL;#define MAX(a,b) ((a) > (b) ? (a) : (b))#define MIN(a,b) ((a) < (b) ? (a) : (b))#define MEM(a,b) memset((a),(b),sizeof(a))const LL INF = 1000000007;const int N = 2e9;const double eps = 1e-9;int main(){int n, k;while (cin >> n >> k){if (n == -1 && k == -1) break;vector<int> v(n + 1);for (int i = 0; i < v.size(); i++) cin >> v[i];for (int i = n; i >= k; i--){v[i - k] -= v[i];v[i] = 0;}while (v.size() > 1 && v.back() == 0) v.pop_back();for (int i = 0; i < v.size(); i++){cout << v[i] << " n"[i == v.size()-1];}}return 0;}
