Submission #890811

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Source Code Expand

#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <algorithm>
#include <cstring>
#include <vector>
#include <map>
#include <cmath>
 
#define rep(i,n) for(int i = 0;i < (n);i++)
#define all(x) (x).begin(),(x).end()
#define pb(x) push_back(x)
#define mp(a,b) make_pair(a,b)

using namespace std;

typedef long long int ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vl;
typedef vector<pair<int, int> > vpi;
typedef vector<pair<ll, ll> > vpl;

int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);
	string s;
  cin >> s;
  rep(i,4) cout << s[i];
  cout << " ";
  for(int i=4;i<12;i++) cout << s[i];
	return 0;
}

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