Test if number is even or odd in C

#include <iostream>
using namespace std;
 
int main() {
    int  n, remainder;
    cout << "Enter a number and press ENTER: ";
    cin >> n;
    remainder = n % 2;
 
    if (remainder == 0)
        cout << "The number is even." << endl;
    else
        cout << "The number is odd." << endl;
 
    system("PAUSE");
    return 0;
}

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