#include <stdio.h>

int main(void)
{
  FILE *fIn = stdin, *fOut = stdout;
  for (int c = getc(fIn); c >= 0;) {
    for (; c >= 0 && c != '.'; c = getc(fIn)) {
      if (putc(c, fOut) < 0) {
        fprintf(stderr, "Write failed!\n"); return -1;
      }
    }
    for (; c >= 0 && c != '\n'; c = getc(fIn)) ;
  }
  return 0;
}