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

int main(int argc, char **argv)
{   
	// Input (default stdin)
	FILE *in=stdin;

	// Output
	FILE *out=stdout;

	// In case a Filename was supplied
	if(argc>1)   in=fopen(argv[1],"r");

	char buf[256];

	while(1)
	{
		int l=fread(buf,1,255,in);
		buf[l]=0;
		if(l==0)break;
		fwrite(buf,1,l,out);
	}

	return EXIT_SUCCESS;
}