Submission #890401

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Source Code Expand

#include <math.h>
#include <stdio.h>
#include <string.h>
#include <vector>
#include <string>
#include <queue>
#include <map>
#include <algorithm>
#include <cmath>
#include <iostream>
#include <sstream>
#include <set>
using namespace std;


int main()
{
  string s;
  cin >> s;
  cout << s.substr(0, 4) << " " << s.substr(4, 8) << endl;
}

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