double Summ(double deposit, float rate, int day)
{
	return deposit * rate * day / (365 * 100);
}

#include <locale>
#include <algorithm>
#include <cctype>
#include <sstream>
#include <iostream>

bool is_number(const std::string& s)
{
	return !s.empty() && std::find_if(s.begin(),
		s.end(), [](char c) { return !std::isdigit(c); }) == s.end();
}

int main()
{
	std::string word = "", newString = "";
	setlocale(LC_ALL, "rus");
	std::string s = "12 34 учите С++";

	std::stringstream x; //Создание потоковой переменной
	x << s;
	int i = 0;
	while (x >> word)
	{
		if (i < 2)
		{
			if (is_number(word))
			{
				s.replace(0, word.length() + 1, "");
			}
		}
	}

	std::cout << s;
	system("PAUSE");
	return 0;
}