#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, k;
  cin >> n >> k;
  vector<int> a(n);
  for (auto &i : a) cin >> i;
  if (n == 1) {
    cout << 0 << "\n";
    return 0;
  }
  int ans = INT_MAX, base;
  for (int i = 1; i <= 1000; i++) {
    int first = i, curr = 0;
    for (int j = 0; j < n; j++)
      if (a[j] != first + j * k) curr++;
    if (curr < ans) base = i, ans = curr;
  }
  cout << ans << "\n";
  for (int j = 0; j < n; j++) {
    int now = base + j * k;
    if (a[j] < now)
      cout << "+ " << j + 1 << " " << now - a[j] << "\n";
    else if (a[j] > now)
      cout << "- " << j + 1 << " " << a[j] - now << "\n";
  }
}
