Submission #1610864

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Source Code Expand

#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<string>
#include<algorithm>
#include<cmath>
#include<queue>
#include<vector>
#include<stack>
using namespace std;

#define REP(i,n) for(int i=0;(i)<(n);(i)++)
#define ll long long

int main() {
	string s;
	cin >> s;
	
	REP(i, s.length()) {
		cout << s[i];
		if (i == 3) cout << " ";
	}

	cout << endl;
	return 0;
}

Submission Info

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