Submission #1420282

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Source Code Expand

#include "bits/stdc++.h"

using namespace std;

typedef long long ll;
typedef pair<int, int> P;
typedef vector<int> VI;
typedef vector<VI> VVI;
const double PI = 3.14159265358979323846;
const double EPS = 1e-12;
const int INF = numeric_limits<int>::max() / 2;
const int NEG_INF = numeric_limits<int>::min() / 2;
const int MOD = 1e9 + 7;

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);

	string s; cin >> s;
	string res = "";
	for (int i = 0; i < 12; i++) {
		res += s[i];
		if (i == 3) res += " ";
	}
	cout << res << endl;
}

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