Gorner with using cmd

#include <iostream>

int gorner(char *num,int base = 10)
{
    int res=0;
    while(*num)
    res= res* base + (isdigit(*num) ? *num++ - '0' : toupper(*num++) - 'A' + 10);
    return res;
}

int main(int argc, char* argv[])
{
    std::cout<< gorner(argv[1],gorner(argv[2]) << std::endl;
    return 0;
}