#include <iostream>
#include <cctype>
int main() {
std::cout << "Please enter a number or a word: ";
std::cout.flush(); // clear the input stream (cin) as preparation for the next input
std::cin >> std::ws; // skip the leading whitespace include newline
int ch = std::cin.peek(); // retrieve the next character from the stream without consuming it
if (ch == EOF) {
return 1;
}
if (std::isdigit(ch)) {
int n;
std::cin >> n;
std::cout << "You entered the number: " << n << '\n';
} else {
std::string str;
std::cin >> str;
std::cout << "You entered the word: " << str << '\n';
}
}
/*
run1:
Please enter a number or a word: 324534
You entered the number: 324534
run2:
Please enter a number or a word: c++
You entered the word: c++
*/
