#include <bits/stdc++.h>
using namespace std;
int main() {
  int i, j, n;
  cin >> n;
  if (n < 4) {
    cout << "NO" << endl;
    return 0;
  }
  cout << "YES" << endl;
  if (n % 2 == 0) {
    cout << "1 * 2 = 2" << endl;
    cout << "3 * 4 = 12" << endl;
    cout << "2 * 12 = 24" << endl;
    j = 5;
  }
  if (n % 2 == 1) {
    cout << "2 - 1 = 1" << endl;
    cout << "3 + 1 = 4" << endl;
    cout << "4 * 5 = 20" << endl;
    cout << "20 + 4 = 24" << endl;
    j = 6;
  }
  for (i = j; i < n; i += 2) cout << i + 1 << " - " << i << " = 1" << endl;
  for (i = 1; i <= (n - j + 1) / 2; i++) cout << "24 * 1 = 24" << endl;
  return 0;
}
