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