#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  if (n < 4) {
    cout << "NO";
    return 0;
  }
  cout << "YES" << endl;
  if (n % 2 == 0) {
    cout << "1 * 2 = 2\n"
         << "3 * 4 = 12\n"
         << "12 * 2 = 24\n";
    for (int i = 5; i < n; i += 2) {
      cout << i + 1 << " - " << i << " = " << 1 << '\n';
    }
    for (int i = 0; i < (n - 4) / 2; i++) {
      cout << "24 * 1 = 24" << endl;
    }
    return 0;
  } else {
    cout << "5 - 2 = 3\n"
         << "3 - 1 = 2\n"
         << "2 * 4 = 8\n"
         << "8 * 3 = 24\n";
    for (int i = 6; i < n; i += 2) {
      cout << i + 1 << " - " << i << " = " << 1 << '\n';
    }
    for (int i = 0; i < (n - 4) / 2; i++) {
      cout << "24 * 1 = 24" << endl;
    }
  }
  return 0;
}
