#include <sstream>
#include <iostream>
#include <string>

using namespace std;

int main() {
  string s;
  stringstream ss("what to do   ");
  bool read1 = (ss >> s);   
  bool read2 = (ss >> s);   
  bool read3 = (ss >> s);   
  bool read4 = (ss >> s);   

  cout << read1 << read2 << read3 << read4 << endl;
}