#include <bits/stdc++.h>
using namespace std;
const double e = 1e-8;
const double pi = acos(-1);
int main() {
  long n;
  cin >> n;
  if (n < 4) {
    cout << "NO\n";
    return 0;
  }
  if (n == 5) {
    printf("YES\n5 * 4 = 20\n20 + 3 = 23\n23 + 2 = 25\n25 - 1 = 24");
    return 0;
  }
  if (n == 4) {
    printf("YES\n1 * 2 = 2\n2 * 3 = 6\n6 * 4 = 24");
    return 0;
  }
  printf("YES\n2 * 3 = 6\n6 * 4 = 24\n");
  printf("5 + 1 = 6\n6 - 6 = 0\n");
  for (int i = 7; i <= n; i++) {
    printf("%d * %d = 0\n", 0, i, 0);
  }
  printf("24 + 0 = 24");
  return 0;
}
