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