#include <iostream>

using namespace std;

bool isdigit(const char c){

return (c>='0' && c<='9');

}

bool isspace(const char c) {

return (c==' ' || c =='\t' || c=='\n' || c=='\r' || c=='\f' || c=='\v');

}

bool isNumber(const char *s) {

}

#define TEST(s) cout << "\"" << s << "\"" << " : " << isNumber(s) << endl

int main(int argc, char** argv)

}