#include <bits/stdc++.h>

using namespace std;

int main(){
    int a, b;
    cin >> a >> b;
    string s;
    cin >> s;
    int n = s.size();

    int pre = 0;
    string t;
    map<char, int> type = {
            {'L', 1},
            {'R', 1},
            {'D', 2},
            {'U', 2}
    };
    for(int i = n - 1; i >= 0; i--){
        if(type[s[i]] == pre) continue;
        t.push_back(s[i]);
        pre = type[s[i]];
    }

    map<char, bool> flag;
    for(int i = 0; i < n; i++) flag[s[i]] = true;

    if(!flag['L'] || !flag['U']){
        cout << -1 << endl;
        return 0;
    }

    if(t[0] == 'L'){
        cout << 6 << endl;
        cout << 0 << " " << b+2 << endl;
        cout << 1 << " " << 0 << endl;
        cout << 1 << " " << b+1 << endl;
        cout << a << " " << b-1 << endl;
        cout << a << " " << b+1 << endl;
        cout << a+1 << " " << b << endl;
    }else if(t[0] == 'U'){
        cout << 6 << endl;
        cout << b+2 << " " << 0 << endl;
        cout << 0 << " " << 1 << endl;
        cout << b+1 << " " << 1 << endl;
        cout << b-1 << " " << a << endl;
        cout << b << " " << a+1 << endl;
        cout << b+1 << " " << a << endl;
    }else{
        if(t[1] == 'L'){
            cout << 6 << endl;
            cout << 0 << " " << b+2 << endl;
            cout << 1 << " " << 0 << endl;
            cout << 1 << " " << b+1 << endl;
            cout << a << " " << b-1 << endl;
            cout << a << " " << b+1 << endl;
            cout << a+1 << " " << b << endl;
        }else if(t[1] == 'U'){
            cout << 6 << endl;
            cout << b+2 << " " << 0 << endl;
            cout << 0 << " " << 1 << endl;
            cout << b+1 << " " << 1 << endl;
            cout << b-1 << " " << a << endl;
            cout << b << " " << a+1 << endl;
            cout << b+1 << " " << a << endl;
        }else{
            cout << -1 << endl;
        }
    }
    return 0;
}