/*
 * Convert \n and \r\n line terminators to Macintosh \r
 */

#include <stdio.h>
#include <stdlib.h>

int main (int argc, char *argv []) {
     int c;

     while ((c = getchar()) != EOF) {
		if (c == '\r') {
               putchar (c);
			if ((c = getchar()) != EOF && c != '\n')
				ungetc (c, stdin);
		}
		else if (c == '\n')
			putchar ('\r');
		else
               putchar (c);
     }
	return 0;
}