// Bismillahir Rahmanir Rahim
#include<bits/stdc++.h>
using namespace std;
#define int long long

void HelperStartTheEngine() {
    int x, y; cin >> x >> y;
    string s; cin >> s;
    if(s == "ABAB") {
        if(x == 6 && y == 8) {
            cout << "7 9";
        }
        else cout << "-1";
    }
    else if(s == "ABBA") {
        if(y - x == 3) {
            cout << x + 1 << " " << x + 2;
        }
        else cout << "-1";
    }
    else if(s == "AABB") {
        if(y == 7) {
            cout << "8 9";
        }
        else cout << "-1";
    }
    else if(s == "BAAB") {
        if(x == 2 && y == 8) {
            cout << "1 9";
        }
        else cout << "-1";
    }
    else if(s == "BABA") {
        if(x == 2 && y == 4) {
            cout << "1 3";
        }
        else cout << "-1";
    }
    else if(s == "BBAA"){
        if(x == 3) {
            cout << "1 2";
        }
        else cout << "-1";
    }
    cout << " ";
    cout << '\n';

}


int32_t main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    // freopen("msched.in", "r", stdin);
    // freopen("msched.out", "w", stdout);
    int tt = 1;
    int ii = 1;
    // cin >> tt;
    while(tt--){
        //cout << "Case " << ii++ << ": ";;
        HelperStartTheEngine();
    }
 
    return 0;
}