#include <bits/stdc++.h>

using namespace std;

int dp[100][100][2][2];
bool seen[100][100][2][2];

int Wins(int a, int b, int c, int d) {
  if (seen[a][b][c][d]) return dp[a][b][c][d];
  if (a == 0 && b == 0) {
    if (c > d) return 1;
    if (c == d) return 0;
    return -1;
  }
  int ans = -1;
  if (a > 0) ans = max(ans, -Wins(a - 1, b, d, !c));
  if (b > 0) ans = max(ans, -Wins(a, b - 1, d, c));
  seen[a][b][c][d] = true;
  return dp[a][b][c][d] = ans;
}

int main() {
  for (int a = 0; a <= 20; ++a) {
    for (int b = 0; b <= 20; ++b) {
      if (Wins(a, b, 0, 0) == -1) {
        cout << a << " " << b << endl;
      }
    }
  }
}