#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0); 
    int n, q; 
    string s; cin >> n >> q >> s;
    vector<int> dd(n+1), rr(n+1);
    for(int i = 0; i < n; i++){
        if(s[i] == 'D') dd[i+1] += dd[i] + 1;
        else dd[i+1] = dd[i];
        if(s[i] == 'R') rr[i+1] += rr[i] + 1;
        else rr[i+1] = rr[i];
    }
    while(q--){
        ll h, w, p, r, l = 0;
        cin >> h >> w >> p;
        r = h + w;
        while(r - l > 1){
            ll m = (r + l) / 2, cd = 0, cr = 0;
            cd += dd[n] * ((p + m) / n) + dd[(p + m) % n];
            cd -= dd[n] * (p / n) + dd[p % n];
            cr += rr[n] * ((p + m) / n) + rr[(p + m) % n];
            cr -= rr[n] * (p / n) + rr[p % n];
            if(cd >= h || cr >= w) r = m;
            else l = m;
        }
        cout << (p + r) % n << '\n';
    }
    return 0;
}