Submission #2344341

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Source Code Expand

#include <iostream>
#include <vector>
#include <numeric>
#include <algorithm>
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
#define INF 999999999
using namespace std;

int main(){
          string s;
          cin >> s;
          REP(i,4)  cout << s[i];
          cout << " ";
          FOR(i,4,12)         cout << s[i];
          cout << endl;
          return 0;
}

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