#include <bits/stdc++.h>
using namespace std;
int n;
int main() {
  cin >> n;
  if (n < 4)
    printf("NO\n");
  else {
    printf("YES\n");
    if (n % 2 == 0) {
      printf("1 * 2 = 2\n2 * 3 = 6\n6 * 4 = 24\n");
      for (int i = 5; i <= n; i += 2) {
        cout << i + 1 << " - " << i << " = " << 1 << endl;
        printf("1 * 24 = 24 \n");
      }
    } else {
      printf("2 - 1 =1\n1 + 3 = 4\n4 * 5 = 20\n4 + 20 = 24\n");
      for (int i = 6; i <= n; i += 2) {
        cout << i + 1 << " - " << i << " = " << 1 << endl;
        printf("1 * 24 = 24 \n");
      }
    }
  }
  return 0;
}
