#include <stdio.h>

int main () {

  int CurChar;

  while (1) {

    CurChar = fgetc (stdin);

    if (feof(stdin)) break;

    if (CurChar == '\n') {
      fputc ('\r', stdout);
      fputc ('\n', stdout);
    }
    else
      fputc (CurChar, stdout);

  } // while ()

} // main ()