Odpowiedź :
#include <iostream>
int main(){
int first, second;
std::cout << "Insert first number: ";
std::cin >> first;
std::cout << "Insert second number: ";
std::cin >> second;
if(first > second)
std::cout << first << " is bigger than " << second;
else if(second > first)
std::cout << second << " is bigger than " << first;
else
std::cout << "Numbers are equal";
return 0;
}