#include <bits/stdc++.h> using namespace std; #define int long long const int N = 2e6 + 7; signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; long long sum = 0; for (int i = 1; i <= n; i++) { int v; cin >> v; cout << v * i - sum << ' '; sum += v * i - sum; } }