#include <bits/stdc++.h>
int n;
int main() {
  scanf(" %d", &n);
  if (n < 4) {
    printf("NO\n");
    return 0;
  }
  printf("YES\n");
  if (n & 1) {
    for (int i = n; i - 1 > 4; i -= 2) {
      printf("%d - %d = 1\n", i, i - 1);
      printf("1 * %d = %d\n", i - 2, i - 2);
    }
    printf("2 - 1 = 1\n");
    printf("3 + 1 = 4\n");
    printf("4 * 5 = 20\n");
    printf("20 + 4 = 24\n");
  } else {
    for (int i = n; i > 4; i -= 2) {
      printf("%d - %d = 1\n", i, i - 1);
      printf("1 * %d = %d\n", i - 2, i - 2);
    }
    printf("1 * 2 = 2\n");
    printf("3 * 4 = 12\n");
    printf("2 * 12 = 24\n");
  }
  return 0;
}
