#include <bits/stdc++.h>
using namespace std;
char op[20];
char s[205];
int main() {
  int n, m, k;
  scanf("%d%d%d", &n, &m, &k);
  getchar();
  cin.getline(op, 15);
  int dir;
  if (op[3] == 'h') {
    dir = 0;
  } else {
    dir = 1;
  }
  scanf("%s", s);
  int dir2 = m < k ? 0 : 1;
  int len = strlen(s);
  bool flag = false;
  int t = 0;
  for (int i = 0; i < len; ++i) {
    ++t;
    int lastk = k;
    if (dir == 0) {
      --k;
      if (k == 0) k = 2, dir = 1;
    } else {
      ++k;
      if (k == n + 1) k = n - 1, dir = 0;
    }
    if (s[i] == '0') {
      if (dir == 0) {
        if (m > lastk && m < n)
          ++m;
        else if (m < lastk && m > 1)
          --m;
      } else {
        if (m < lastk && m > 1)
          --m;
        else if (m > lastk && m < n)
          ++m;
      }
    } else if (i != len - 1) {
      if (dir == 0)
        m = n;
      else
        m = 1;
    }
    if (m == k && i != len - 1) {
      flag = true;
      break;
    }
  }
  if (!flag) {
    puts("Stowaway");
  } else {
    printf("Controller %d\n", t);
  }
  return 0;
}
