#include <bits/stdc++.h>

using namespace std;

#define MAXN 205
int n, ex, ey;

struct str
{
    int x, y;
    string s;
} arr[MAXN];

int cnt[MAXN];

bool ok(){
    int x = 0, y = 0;
    string dir = "R";
    while (1){
        int tx = INT_MAX, ty = INT_MAX;
        int ind = 0;
        string t = "";
        if (x == ex && y == ey) return 1;
        for (int i=1; i<=n + 1; i++){
            if (dir == "R"){
                if (arr[i].x == x && arr[i].x < tx){
                    tx = arr[i].x;
                    ty = arr[i].y;
                    ind = i;
                    if (arr[i].s == "/"){
                        t = "U";
                    }
                    else {
                        t = "D";
                    }
                }
            }
            else if (dir == "L"){
                if (arr[i].x == x && arr[i].x < tx){
                    tx = arr[i].x;
                    ty = arr[i].y;
                    ind = i;
                    if (arr[i].s == "/"){
                        t = "D";
                    }
                    else{
                        t = "U";
                    }
                }
            }
            else if (dir == "U"){
                if (arr[i].y == y && arr[i].y < ty){
                    tx = arr[i].x;
                    ty = arr[i].y;
                    ind = i;
                    if (arr[i].s == "/"){
                        t = "R";
                    }
                    else{
                        t = "L";
                    }
                }
            }
            else{
                if (arr[i].y == y && arr[i].y > ty){
                    tx = arr[i].x;
                    ty = arr[i].y;
                    ind = i;
                    if (arr[i].s == "/"){
                        t = "L";
                    }
                    else {
                        t = "R";
                    }
                }
            }
        }
        cnt[ind]++;
        if (!ind ||cnt[ind] > 2) return 0;
        dir = t;
        if (t == "R"){
            x = tx - 1;
            y = ty;
        }
        else if (t == "L"){
            x = tx - 1;
            y = ty;
        }
        else if (t == "U"){
            x = tx;
            y = ty + 1;
        }
        else{
            x = tx;
            y = ty - 1;
        }
    }
}

int main()
{

    cin >> n >> ex >> ey;
    for (int i=1; i<=n; i++){
        cin >> arr[i].x >> arr[i].y >> arr[i].s;

    }
    arr[n+1].x = ex;
    arr[n+1].y = ey;
    arr[n+1].s = "/";
    if (ok()){
        cout << 0 << "\n";
        return 0;
    }
    for (int i=1; i<=n; i++){
        string temp = arr[i].s;
        if (arr[i].s == "/") arr[i].s = "\\";
        else arr[i].s = "/";
        memset(cnt, 0, sizeof cnt);
        if (ok()){
            cout << i << "\n";
            return 0;
        }
        swap(temp, arr[i].s);
    }
    cout << -1 << "\n";
}