#include <iostream>
#include <vector>
using namespace std;
using ll = long long;

int N, Q;
string S;
int X[202020], Y[202020];
int main(void){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    cin >> N >> Q >> S;
    for(int i = 0;i < N;i++){
        X[i + 1] = X[i] + (S[i] == 'D');
        Y[i + 1] = Y[i] + (S[i] == 'R');
    }
    while(Q--){
        int h, w, p; cin >> h >> w >> p;
        h += X[p], w += Y[p];
        ll l = -1, r = 4e9;
        while(r - l > 1){
            ll m = (l + r) / 2;
            bool f = false;
            f |= m / N * X[N] + X[m % N] >= h;
            f |= m / N * Y[N] + Y[m % N] >= w;
            if(f)r = m;
            else l = m;
        }
        cout << r % N << "\n";
    }
    return 0;
}