#include <iostream>
#include <fstream>
#include <cstdlib>
using std::cout;
using std::endl;
int main(int argc, char* argv[])
{
std::ifstream ifile;
std::ofstream ofile;
ifile.open("input", std::ios::in);
ofile.open("output", std::ios::out | std::ios::trunc);
int count = 0;
while(count != std::atoi(argv[1]))
{
if(ifile.get()=='\n')
count++;
}
ofile << ifile.rdbuf();
}