#include <bits/stdc++.h>
using namespace std;
long long sum, x1, x2, a1, b1, k, j, x, m, rez1, rez2, cnt, d, i, n, a[100500];
int main() {
  cin >> n;
  if (n < 4)
    cout << "NO" << endl;
  else if (n % 2 == 0) {
    cout << "YES" << endl;
    cout << "1 * 2 = 2" << endl;
    cout << "2 * 3 = 6" << endl;
    cout << "6 * 4 = 24" << endl;
    for (i = 5; i < n; i += 2) {
      cout << i + 1 << " - " << i << " = " << 1 << endl;
      cout << "24 * 1 = 24" << endl;
    }
  } else {
    cout << "YES" << endl;
    cout << "5 * 4 = 20" << endl;
    cout << "20 + 3 = 23" << endl;
    cout << "23 + 2 = 25" << endl;
    cout << "25 - 1 = 24" << endl;
    for (i = 6; i < n; i += 2) {
      cout << i + 1 << " - " << i << " = " << 1 << endl;
      cout << "24 * 1 = 24" << endl;
    }
  }
  return 0;
}
