#include <bits/stdc++.h>
using namespace std;
int mat[1001][1001];
int main() {
  int i, cur, x, l, j, k;
  char str[21];
  scanf("%s", str);
  l = strlen(str);
  cur = 3;
  for (i = 0; i < l; i++) {
    mat[cur][1] = mat[1][cur] = 1;
    int x = str[i] - '0';
    if (x) {
      for (j = i; j < l - 1; j++) {
        for (k = 0; k < 10; k++) {
          mat[k + cur + 1][cur] = mat[cur][k + cur + 1] = 1;
          mat[k + cur + 1][cur + 11] = mat[cur + 11][k + cur + 1] = 1;
        }
        cur += 11;
      }
      for (j = 0; j < x; j++) {
        mat[j + cur + 1][cur] = mat[cur][j + cur + 1] = 1;
        mat[j + cur + 1][cur + x + 1] = mat[cur + x + 1][j + cur + 1] = 1;
      }
      cur += x + 1;
      for (j = 0; j < i; j++) {
        mat[cur][cur + 1] = mat[cur + 1][cur] = 1;
        cur++;
        mat[cur][cur + 1] = mat[cur + 1][cur] = 1;
        cur++;
      }
      mat[cur][2] = mat[2][cur] = 1;
      cur++;
    }
  }
  printf("%d\n", cur);
  {}
  for (i = 1; i <= cur; i++) {
    for (j = 1; j <= cur; j++) {
      if (mat[i][j])
        printf("Y");
      else
        printf("N");
    }
    printf("\n");
  }
  return 0;
}
