#include <ios>
#include <iostream>
#include <sstream>


int main(int argc, char **argv)
{
    int num; char deg;

    std::stringstream ss("10E");
    ss >> num >> deg;

    std::cout << num << deg << std::endl;

    std::istringstream iss(", 10E)");
    char extra;
    iss >> extra >> num >> deg;
    std::cout << num << deg << extra << std::endl;

    return 0;
}