#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  scanf("%d", &n);
  if (n < 4) {
    printf("NO\n");
    goto loop;
  } else if (n % 2 == 0) {
    cout << "YES" << endl;
    cout << "3 * 4 = 12" << endl;
    cout << "1 * 2 = 2" << endl;
    cout << "2 * 12 = 24" << endl;
    for (int i = 5; i <= n; i += 2) {
      cout << i + 1 << " - " << i << " = 1" << endl;
      cout << "1 * 24 = 24" << endl;
    }
  } else {
    cout << "YES" << endl;
    cout << "3 * 5 = 15" << endl;
    cout << "2 * 4 = 8" << endl;
    cout << "15 + 8 = 23" << endl;
    cout << "23 + 1 = 24" << endl;
    if (n == 5) goto loop;
    for (int i = 6; i <= n; i += 2) {
      cout << i + 1 << " - " << i << " = 1" << endl;
      cout << "1 * 24 = 24" << endl;
    }
  }
loop:;
  return 0;
}
