Submission #890293

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Source Code Expand

#include <bits/stdc++.h>

#define FO(i,a,b) for (int i = (a); i < (b); i++)
#define sz(v) int(v.size())

using namespace std;

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

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