#include <bits/stdc++.h>
using namespace std;
int n;
int main() {
  cin >> n;
  if (n <= 4) {
    if (n == 4) {
      puts("YES");
      puts("1 * 2 = 2");
      puts("2 * 3 = 6");
      puts("6 * 4 = 24");
    } else
      puts("NO");
    return 0;
  }
  puts("YES");
  if (n % 2) {
    puts("2 + 3 = 5");
    puts("5 * 4 = 20");
    puts("20 + 5 = 25");
    puts("25 - 1 = 24");
    for (int i = n; i > 5; i -= 2) cout << i << " - " << i - 1 << " = 1\n";
    for (int i = 1; i <= (n - 5) / 2; ++i) puts("24 * 1 = 24");
  } else {
    puts("1 * 2 = 2");
    puts("2 * 3 = 6");
    puts("6 * 4 = 24");
    for (int i = n; i > 4; i -= 2) cout << i << " - " << i - 1 << " = 1\n";
    for (int i = 1; i <= (n - 4) / 2; ++i) puts("24 * 1 = 24");
  }
  return 0;
}
