Submission #890717

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Source Code Expand

// In the name of God

#include <iostream>
#include <algorithm>
#include <fstream>
#include <vector>
#include <deque>
#include <assert.h>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <stdio.h>
#include <string.h>
#include <utility>
#include <math.h>
#include <bitset>
#include <iomanip>

using namespace std;

#define rep(i, n) for (int i = 0, _n = (int)(n); i < _n; ++i)
const int N = (int) 0, mod = (int) 0;

int32_t main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    string s;
    cin >> s;
    string t = "";
    for (int i = 0; i < 4; ++i)
        t += s[i];
    t += " ";
    for (int i = 4; i < 12; ++i)
        t += s[i];
    cout << t << endl;


}

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