#include <bits/stdc++.h>
using namespace std;
int n;
void printcheng(int x, int y, int z) { printf("%d * %d = %d\n", x, y, z); }
void printjia(int x, int y, int z) { printf("%d + %d = %d\n", x, y, z); }
void printjian(int x, int y, int z) { printf("%d - %d = %d\n", x, y, z); }
int main() {
  scanf("%d", &n);
  int i, j, k, sum = 0;
  if (n < 4) {
    printf("NO\n");
    return 0;
  }
  printf("YES\n");
  if ((n & 1) == 0) {
    for (i = n; i > 4; i -= 2) {
      printf("%d - %d = 1\n", i, i - 1);
      sum++;
    }
    for (i = 1; i <= sum; i++) printf("1 * 1 = 1\n");
    printf("1 * 2 = 2\n");
    printcheng(2, 3, 6);
    printcheng(4, 6, 24);
  } else {
    for (i = n; i > 5; i -= 2) {
      printf("%d - %d = 1\n", i, i - 1);
      sum++;
    }
    for (i = 1; i <= sum; i++) printf("1 * 1 = 1\n");
    printcheng(4, 5, 20);
    printjia(2, 3, 5);
    printjian(5, 1, 4);
    printjia(20, 4, 24);
  }
}
