#include <string>
#include <iostream>
#include <algorithm>
using namespace std;
string to_string(int param)
{
string str = "";
for(str = ""; param ; param /= 10)
str += (char)('0' + param % 10);
reverse(str.begin(), str.end());
return str;
}
int main()
{
string str = to_string(1024);
cout<<str<<endl;
return 0;
}