#include <iostream>
#include <fstream>
#include <cassert>

using namespace std;

int main(int argc,char **argv){
	if(argc!=2){
		cerr<<"Pass fifo name as argument."<<endl;
		return 1;
	}
	ifstream fifo(argv[1]);
	assert(fifo.good());
	while(!!fifo)cout<<(char)fifo.get()<<flush;
	return 0;
}