1
& 0
 1
^ 123
 10
^ 218
& 150
| 935
& 61
| 588
& 897
| 411
| 584
^ 800
| 704
 3
& 1
& 3
& 5
 1
| 123
 1
^ 0
 1
| 1023
 3
& 242
^ 506
^ 522
 10
^ 160
& 1021
& 510
^ 470
& 1022
& 251
& 760
& 1016
| 772
| 515
 1
& 1023
 1
| 0
 2
| 56
^ 875
 1
^ 1023
 2
| 999
^ 689
 3
^ 125
^ 377
& 1019
 1
& 123

3
& 0
| 0
^ 0
 3
& 1023
| 0
^ 123
 3
& 763
| 763
^ 0
 3
& 1
| 0
^ 0
 3
& 1023
| 123
^ 0
 3
& 1023
| 0
^ 0
 3
& 1023
| 1023
^ 0
 3
& 1010
| 768
^ 240
 2
| 775
^ 112
 3
& 1023
| 0
^ 0
 3
& 1023
| 0
^ 0
 3
& 983
| 16
^ 835
 3
& 1023
| 0
^ 1023
 3
& 350
| 326
^ 16
 3
& 1019
| 0
^ 256
 3
& 123
| 0
^ 0

#include <bits/stdc++.h>
using namespace std;
int a[15], v[15], ans[10];
bool l[10] = {0};
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int n, x;
  char c;
  cin >> n;
  memset(ans, -1, sizeof ans);
  for (int i = 0; i < n; i++) {
    cin >> c >> x;
    memset(v, 0, sizeof v);
    for (int j = 0; j < 10; j++) {
      if ((1 << j) & x) v[j] = 1;
    }
    if (c == 38) {
      for (int j = 0; j < 10; j++) {
        if (v[j] == 0) ans[j] = 0;
      }
    } else if (c == 124) {
      for (int j = 0; j < 10; j++) {
        if (v[j] == 1) ans[j] = 1;
      }
    } else if (c == 94) {
      for (int j = 0; j < 10; j++) {
        if (v[j] == 1) {
          l[j] = 1 - l[j];
          if (ans[j] != -1) ans[j] = 1 - ans[j];
        }
      }
    }
  }
  cout << 3 << '\n';
  x = (1 << 10) - 1;
  for (int i = 0; i < 10; i++) {
    if (ans[i] == 0) x -= (1 << i);
  }
  cout << char(38) << ' ' << x << '\n';
  x = 0;
  for (int i = 0; i < 10; i++) {
    if (ans[i] == 1) x += (1 << i);
  }
  cout << char(124) << ' ' << x << '\n';
  x = 0;
  for (int i = 0; i < 10; i++) {
    if (ans[i] == -1) {
      if (l[i] == 1) x += (1 << i);
    }
  }
  cout << char(94) << ' ' << x << '\n';
  return 0;
}
