#include <bits/stdc++.h>
#pragma comment(linker, "/STACK:102400000,102400000")
using namespace std;
int bit[1100];
int tot = 0;
void GetBinary(int n) {
  memset(bit, 0, sizeof bit);
  while (n) {
    bit[tot++] = n & 1;
    n >>= 1;
  }
}
int layer[1100][2];
void Construct() {
  layer[1][0] = 1;
  layer[2][0] = 3;
  layer[3][0] = 4;
  layer[3][1] = 5;
  for (int i = 4; i <= 60; i += 2) {
    layer[i][0] = layer[i - 2][0] + 3;
    layer[i + 1][0] = layer[i - 1][0] + 3;
    layer[i + 1][1] = layer[i - 1][1] + 3;
  }
}
int g[1100][1100];
int main() {
  ios::sync_with_stdio(false);
  int n;
  cin >> n;
  GetBinary(n);
  Construct();
  memset(g, 0, sizeof g);
  int total = tot << 1;
  layer[total + 1][0] = 2;
  for (int i = 2; i <= total; ++i) {
    if (i == 2) {
      g[layer[i - 1][0]][layer[i][0]] = 1;
      continue;
    }
    if (i % 2 == 1) {
      g[layer[i - 1][0]][layer[i][0]] = 1;
      g[layer[i - 1][0]][layer[i][1]] = 1;
    } else {
      g[layer[i - 1][0]][layer[i][0]] = 1;
      g[layer[i - 1][1]][layer[i][0]] = 1;
    }
  }
  g[2][layer[total][0]] = 1;
  int PathLength = total;
  int ind = tot * 3, indd = tot * 3, end = tot * 3;
  for (int i = 0; i < tot - 1; ++i) {
    if (bit[i]) {
      int pre = layer[(i + 1) * 2][0];
      indd = ind;
      for (int j = 1; j <= PathLength - (i + 1) * 2 - 1; ++j) {
        g[pre][j + indd] = 1;
        pre = j + indd;
        ind++;
      }
      g[pre][end] = 1;
    }
  }
  cout << ind << endl;
  for (int i = 1; i <= ind; ++i) {
    for (int j = 1; j <= ind; ++j) {
      if (i == j)
        cout << "N";
      else if (g[i][j] || g[j][i])
        cout << "Y";
      else
        cout << "N";
    }
    cout << endl;
  }
  return 0;
}
