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

#define pb emplace_back
#define mp make_pair
 
using ll = long long;
using pii = pair<int,int>;
 
constexpr int mod = 998244353;
constexpr int inf = 0x3f3f3f3f;
constexpr int N = 4e5 + 10;

int n, Q, d[N], r[N];
string s;

int calc(int *a, int m, int p){
  int r = m % a[n-1];
  if(r == 0)  r = a[n-1];
  if(p != 0)  r += a[p-1];
  return lower_bound(a, a+n*2, r) - a + 1;
}

ll f(int *a, int m, int p){
  if(m % a[n-1] == 0){
    return calc(a, m, p) - p + 1ll * (m / a[n-1] - 1) * n;
  }
  return calc(a, m, p) - p + 1ll * m / a[n-1] * n;
}

int solve(int h, int w, int p){
  if(d[n-1] == 0){
    return calc(r, w, p) % n;
  }
  if(r[n-1] == 0){
    return calc(d, h, p) % n;
  }

  ll c1 = f(d, h, p);
  ll c2 = f(r, w, p);

  if(c1 < c2) return calc(d, h, p) % n;
  return calc(r, w, p) % n;
}

void _main(){
  cin >> n >> Q >> s;
  for(int i=0; i<n; ++i){
    if(s[i] == 'D'){
      d[i] = d[i+n] = 1;
    } else {
      r[i] = r[i+n] = 1;
    }
  }
  for(int i=1; i<n*2; ++i){
    d[i] += d[i-1];
    r[i] += r[i-1];
  }
  int h, w, p;
  while(Q--){
    cin >> h >> w >> p;
    cout << solve(h, w, p) << '\n';
  }
}

int main(){
  ios::sync_with_stdio(0);
  cin.tie(0); cout.tie(0);
  _main();
  return 0;
}