#include <bits/stdc++.h>
#define sz(x) ((int)(x).size())
#define all(x) begin(x), end(x)
#ifdef memset0
#define log(...) fprintf(stderr, __VA_ARGS__)
#else
#define endl '\n'
#define log(...) (void(0))
#endif
using namespace std;
using ll = long long;
using lf = long double;
using ull = unsigned long long;
const int N = 4005;
const int Lim_N = 1000;
const int Lim_T = 2002;
// const int Lim_N = 15;
// const int Lim_T = 32;
int TEST;
struct sta {
  int x, n;
} pb[N], tar;
struct pos {
  int x, y;
} nw, res[N];
int sz;
pos Next(pos p, sta s, int t) {
  if (p.x == s.x) {
    p.y = (p.y + t) % (s.n << 1);
    if (p.y >= s.n) p.x ^= 1, p.y = (s.n << 1) - 1 - p.y;
  } else {
    p.y = (s.n << 1) - 1 - p.y;
    p.y = (p.y + t) % (s.n << 1);
    if (p.y >= s.n) p.y = (s.n << 1) - 1 - p.y;
    else
      p.x ^= 1;
  }
  return p;
}
#define Ind(P) (P.x * Lim_N + P.y);
int vis[N], TIM, cnt[N], fl[N];
int mns;
string tmp;
int Get_best(pos p, int flg) {
  // log("GETBEST %d %d %d\n", p.x, p.y, flg);
  mns = sz;
  int mni = 1, mx, ind, tg;
  for (int i = 1; i <= Lim_T; ++i) {
    // log("---------------i=%d\n", i);
    ++TIM;
    mx = 0;
    tg = 1;
    // log("sz=%d\n", sz);
    for (int j = 1; j <= sz; ++j) {
      res[j] = Next(p, pb[j], i);
      ind = Ind(res[j]);
      // log("INDof (%d,%d)=%d %d\n", pb[j].n, pb[j].x, res[j].x, res[j].y);
      if (vis[ind] != TIM) {
        vis[ind] = TIM;
        cnt[ind] = 0;
        fl[ind] = pb[j].x;
      }
      ++cnt[ind];
      if (fl[ind] != pb[j].x) tg = 0;
      mx = max(mx, cnt[ind]);
    }
    // log("STEP=%d,mx=%d,tg=%d\n", i, mx, tg);
    if (flg && !tg) continue;
    if (mx <= mns) {
      mns = mx;
      mni = i;
    }
  }
  return mni;
}
void Do(int t) {
  cout << "wait " << t << "\n" << flush;
  pos to;
  if (!TEST) {
    cin >> tmp;
    cin >> to.x >> to.y;
  } else {
    to = Next(nw, tar, t);
    log("TO %d %d\n", to.x, to.y);
  }
  int tsz = 0;
  for (int i = 1; i <= sz; ++i) {
    if (pb[i].n <= to.y) continue;
    res[i] = Next(nw, pb[i], t);
    // log("RES %d=%d %d\n", i, res[i].x, res[i].y);
    if (res[i].x == to.x && res[i].y == to.y) {
      // log("FIND %d %d\n", pb[i].x, pb[i].n);
      pb[++tsz] = pb[i];
    }
  }
  sz = tsz;
  nw = to;
  assert(sz);
}
void Switch() {
  cout << "switch\n" << flush;
  pos to;
  if (!TEST) {
    cin >> tmp;
    cin >> to.x >> to.y;
  } else {
    to = nw;
    to.x ^= 1;
    log("TO %d %d\n", to.x, to.y);
  }
  nw = to;
}
void End(string s) {
  cout << s << "\n" << flush;
  if (!TEST) {
    cin >> tmp;
  } else {
    tmp = "yes";
  }
}
int dir, n;
int main() {
#ifdef memset0
  // freopen("F.in", "r", stdin);
  cin >> tar.x >> tar.n;
  TEST = 1;
#endif
  // cin.tie(0)->sync_with_stdio(0);
  cin >> nw.x >> nw.y;
  for (int i = max(2, nw.y + 1); i <= Lim_N; ++i) {
    pb[++sz] = (sta){0, i};
    pb[++sz] = (sta){1, i};
  }
  Do(Get_best(nw, 1));
  Do(Get_best(nw, 0));
  dir = pb[1].x;
  for (int i = 1; i <= sz; ++i) assert(pb[i].x == dir);
  if (dir == nw.x) Switch();
  Do(nw.y);
  End("left");
  assert(tmp[0] == 'y');
  cin >> nw.x >> nw.y;
  int tsz = 0;
  for (int i = 1; i <= sz; ++i) {
    if (pb[i].n <= nw.y) continue;
    pb[++tsz] = pb[i];
  }
  sz = tsz;
  int tpos = Get_best((pos){nw.x ^ 1, nw.y}, 0);
  int tmn = mns;
  int npos = Get_best(nw, 0);
  if (tmn < mns) {
    mns = tmn;
    npos = tpos;
    Switch();
  }
  log("REM=%d\n", mns);
  Do(npos);
  assert(sz == 1);
  n = pb[1].n;
  if (dir == nw.x) Do(n - 1 - nw.y);
  else
    Do(nw.y + n);
  End("right");
}