#include <bits/stdc++.h>
using namespace std;
bool mark[200];
vector<vector<char> > v;
vector<char> tmp;
int main() {
  ios_base::sync_with_stdio(false);
  int n;
  cin >> n;
  if (n < 4) {
    cout << "NO" << endl;
    return 0;
  }
  cout << "YES" << endl;
  for (n; n > 5; n -= 2)
    cout << n << " - " << n - 1 << " = 1" << endl << "1 * 1 = 1" << endl;
  if (n == 4)
    cout << "1 * 4 = 4" << endl << "2 * 3 = 6" << endl << "6 * 4 = 24" << endl;
  else
    cout << "3 - 1 = 2" << endl
         << "2 + 2 = 4" << endl
         << "4 * 5 = 20" << endl
         << "20 + 4 = 24" << endl;
  return 0;
}
