/*
 * Program to copy characters from standard input to standard output.
 * To use -- either redirect input to come from a file, or enter
 * input from keyboard and press control-D to end.
 */
#include <stdio.h>

int main(void) {

	int inchar;

	while ( (inchar = getchar()) != EOF ) {
		putchar(inchar);
	}

	return 0;
}