#include <bits/stdc++.h>
using namespace std;
struct chess {
  bool used;
  int x, y;
  char p;
} up, down, Left, Right, up_Left, up_Right, down_Left, down_Right;
int n, kx, ky;
void add(int x, int y, char c) {
  if (x == kx) {
    if (y < ky) {
      if (!Left.used || y > Left.y) {
        Left.x = x;
        Left.y = y;
        Left.p = c;
        Left.used = true;
      }
    } else {
      if (!Right.used || y < Right.y) {
        Right.x = x;
        Right.y = y;
        Right.p = c;
        Right.used = true;
      }
    }
  }
  if (y == ky) {
    if (x < kx) {
      if (!up.used || x > up.x) {
        up.x = x;
        up.y = y;
        up.p = c;
        up.used = true;
      }
    } else {
      if (!down.used || x < down.x) {
        down.x = x;
        down.y = y;
        down.p = c;
        down.used = true;
      }
    }
  }
  if (x - y == kx - ky) {
    if (x < kx) {
      if (!up_Left.used || x > up_Left.x) {
        up_Left.x = x;
        up_Left.y = y;
        up_Left.p = c;
        up_Left.used = true;
      }
    } else {
      if (!down_Right.used || x < down_Right.x) {
        down_Right.x = x;
        down_Right.y = y;
        down_Right.p = c;
        down_Right.used = true;
      }
    }
  }
  if (x + y == kx + ky) {
    if (x < kx) {
      if (!up_Right.used || x > up_Right.x) {
        up_Right.x = x;
        up_Right.y = y;
        up_Right.p = c;
        up_Right.used = true;
      }
    } else {
      if (!down_Left.used || x < down_Left.x) {
        down_Left.x = x;
        down_Left.y = y;
        down_Left.p = c;
        down_Left.used = true;
      }
    }
  }
}
bool check() {
  if (up.p == 'R' || up.p == 'Q' || down.p == 'R' || down.p == 'Q') return true;
  if (Left.p == 'R' || Left.p == 'Q' || Right.p == 'R' || Right.p == 'Q')
    return true;
  if (up_Right.p == 'B' || up_Right.p == 'Q' || up_Left.p == 'B' ||
      up_Left.p == 'Q')
    return true;
  if (down_Right.p == 'B' || down_Right.p == 'Q' || down_Left.p == 'B' ||
      down_Left.p == 'Q')
    return true;
  return false;
}
int main() {
  int x, y;
  ios::sync_with_stdio(false);
  cin.tie(0);
  char c;
  cin >> n >> kx >> ky;
  for (int i = 0; i < n; i++) {
    cin >> c >> x >> y;
    add(x, y, c);
  }
  if (check())
    cout << "YES";
  else
    cout << "NO";
  return 0;
}
