#include <stdio.h>

int f[384][512][4];

#define Y(x,y) f[y][x][0]
#define U(x,y) f[y][x][1]
#define V(x,y) f[y][x][2]
#define Y2(x,y) f[y][x][3]

void
FOUT (float f)
{
  int c = f;

  if (c < 0)
    c = 0;
  if (c > 255)
    c = 255;

  putchar (c);

}

main ()
{
  int x, y, i;
  FILE *w = stdin;

  for (y = 0; y < 384; ++y)
    {
      for (x = 0; x < 512; ++x)
        {
          Y (x, y) = getc (w);
          U (x, y) = getc (w);
        }
      for (x = 0; x < 512; ++x)
        {
          V (x, y) = getc (w);
          Y2 (x, y) = getc (w);
        }
    }


  printf ("P6\n1024 768\n255\n");
  for (y = 0; y < 384; ++y)
    {

      for (x = 0; x < 512; ++x)
        {
          putchar (U (x, y));
          putchar (Y (x, y));
          putchar (V (x, y));
          putchar (U (x, y));
          putchar (Y2 (x, y));
          putchar (V (x, y));
        }

      for (x = 0; x < 512; ++x)
        {
          putchar (U (x, y));
          putchar (Y2 (x, y));
          putchar (V (x, y));
          putchar (U (x, y));
          putchar (Y (x, y));
          putchar (V (x, y));
        }

    }

  return 0;
}