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