#include <stdio.h>

int main(void)
{
  char y[6][1000]; /* y[0]...y[4] are previous 5 lines; y[5] is current line */
  int ylen[6];
  int i;
  int j;
  char c;

  for (i = 0;i < 6;++i)
    ylen[i] = 0;

  while (scanf("%c",&c) == 1) {
    if (c == '\n') {
      for (i = 0;i < 5;++i) { /* copy y[1] to y[0], y[2] to y[1], etc. */
	for (j = 0;j < 1000;++j)
	  y[i][j] = y[i + 1][j];
	ylen[i] = ylen[i + 1];
      }
      ylen[5] = 0; /* empty y[5] */
      continue;
    }
    if (ylen[5] >= 1000) continue; /* don't overflow the buffer */
    y[5][ylen[5]] = c;
    ++ylen[5];
  }

  for (i = 0;i < 5;++i) {
    for (j = 0;j < ylen[i];++j)
      printf("%c",y[i][j]);
    printf("\n");
  }

  return 0;
}