If-else Program In C++

Simple If else program in C++ where program it ask user to enter age at runtime and then it will then that you are young or old.

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#include < iostream>

using namespace std;

int main()
{
int age;

cout<<"Please input your age: ";
cin>> age;

if ( age <= 30 ) {
cout<<"You are pretty young!\n";

}
else {
cout<<"You are really old\n";
}

}