#include <iostream>
#include <string>
using namespace std;
int main() {
string s = "12345road12345";
for (int i = 0; i < s.length(); i++)
{
if (s[i] == 'r')
if (s[i + 1] == 'o')
if (s[i + 2] == 'a')
if (s[i + 3] == 'd')
cout << " ";
cout << s[i];
if (s[i] == 'd')
if (s[i - 1] == 'a')
if (s[i - 2] == 'o')
if (s[i - 3] == 'r')
cout << " ";
}
return 0;
}
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