// #pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
// #include <x86intrin.h>
using namespace std;
#if __cplusplus >= 202002L
using namespace numbers;
#endif



int main(){
	cin.tie(0)->sync_with_stdio(0);
	cin.exceptions(ios::badbit | ios::failbit);
	int n, qn;
	string s;
	cin >> n >> qn >> s;
	vector<array<int, 2>> delta(n + 1);
	for(auto i = 0; i < n; ++ i){
		delta[i + 1] = delta[i];
		++ delta[i + 1][s[i] == 'R'];
	}
	for(auto qi = 0; qi < qn; ++ qi){
		int h, w, init;
		cin >> h >> w >> init;
		int move = *ranges::partition_point(ranges::iota_view(0, h + w), [&](int move){
			auto [q, r] = div(move, n);
			long long x = 1LL * delta[n][0] * q, y = 1LL * delta[n][1] * q;
			if(init + r <= n){
				x += delta[init + r][0] - delta[init][0];
				y += delta[init + r][1] - delta[init][1];
			}
			else{
				x += delta[n][0] - delta[init][0] + delta[init + r - n][0];
				y += delta[n][1] - delta[init][1] + delta[init + r - n][1];
			}
			return x < h && y < w;
		}) % n;
		cout << (init + move) % n << "\n";
	}
	return 0;
}

/*

*/