#include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 1009; int n, a[N]; string s[N]; signed main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); } int sum = 0; for (int i = n; i >= 1; i--) { a[i] += sum; int cnt = 0; while (a[i] > 1) { if (a[i] & 1) s[i] = "1+" + s[i], cnt++; s[i] = "c+" + s[i], cnt++, a[i] >>= 1; } s[i] = "1" + s[i]; sum += cnt; } for (int i = 1; i <= n; i++) cout << s[i]; return 0; }