#include "bits/stdc++.h"
using namespace std;
#define all(x) x.begin(),x.end()
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << p.first << " " << p.second; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { string sep; for (const T &x : v) os << sep << x, sep = " "; return os; }
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#define ASSERT(...) 42
#endif
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pi;
const int oo = 1e9;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n,q; cin >> n >> q;
    string s; cin >> s;
    vi prefx(n+1),prefy(n+1);
    for(int i=0;i<n;++i) {
        prefx[i+1]=prefx[i] + (s[i]=='R');
        prefy[i+1]=prefy[i]+(s[i]=='D');
    }
    while(q--) {
        int h,w,p; cin >> h >> w >> p;
        ll lo = 0, hi = 2e9;
        while(lo<hi) {
            auto mid = (lo+hi)/2;
            auto e = (mid+p)%n;
            ll loops = (p+mid)/n - p/n;
            auto get = [&](vi& v) {
                return v[n]*loops + v[e]-v[p];
            };
            if(get(prefx)>=w or get(prefy)>=h) {
                hi = mid;
            } else lo = mid+1;
        }
        cout << (lo+p)%n << '\n';
    }
}