#include <iostream>
#include <windows.h>

using namespace std;

char *F(char str[]);

int main()
{
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);

	char str[30]{};
	cout << "Введите строку:\n";
	cin.getline(str, 30);
	cout << "Ваш ответ равен:" << F(str) << endl;
	return 0;
}

char *F(char str[])
{
	int i{}, j{};
	char temp1[30]{};
	char *temp2;
	bool flag = false;
	//for (i = 0; i < strlen(str); i++)
  while( str[i] != '\0' )
	{
		if (str[i] == ';') flag = true;
    i++;
	}
	if (flag)
	{
    i = 0;
		while (str[i] != ';')
		{
			temp1[i] = str[i];
			i++;
		}
		temp2 = F( ( str + i + 1 ) );
		while (str[j] != '\0')
		{
			str[j] = *temp2;
			temp2++;
			j++;
		}
    j -= ( i + 1 );
		for (int k = 0; k < i; k++)
		{
			str[j++] = temp1[k];
		}
    str[j] = '\0';
	}
	return str;
}