Submission #1126197

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Source Code Expand

#include "bits/stdc++.h"
using namespace std;

#define  FOR(i,s,g) for(int i=s;i<g;i++)
#define RREP(i  ,n) for(int i=n-1;i>=0;i--);
#define  REP(i,  n) for(int i=0;i<n;i++)

using ull = unsigned long long;
using  ll =          long long;

const char en = '\n';
const ull  INFL = 810000001919114514;
const ull  INF  =         1919114514;

int main(){
	cin.tie();ios::sync_with_stdio(false);
	
	string s;
	cin>>s;

	s.insert(s.begin()+4,' ');

	cout<<s<<en;

	return 0;
}

Submission Info

Judge Result