#include <cstdio>
#include <cmath>
#include <cstring>
#include <string>
#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <cassert>
using namespace std;



int main() {
  string val;
  while(true) {
    if(feof(stdin)) break;
    cin >> val;
    cout << val;

  }
  cout << endl;
  return 0;
}