Comparison Pitfall

#include <iostream>

using namespace std;

int main() 
{
        int a,b,c;

        // Read and test three values.
        cin >> a >> b >> c;

        // Run some BOGUS tests.
        cout << a << " < " << b << " < " << c << ": ";
        if(a < b < c) cout << "Yes.";
        else cout << "No.";
        cout << endl;

        cout << a << " == " << b << " == " << c << ": " << endl;
        if(a == b == c) cout << "Yes.";
        else cout << "No.";
        cout << endl;

        cout << a << " > " << b << " > " << c << ": " << endl;
        if(a > b > c) cout << "Yes.";
        else cout << "No.";
        cout << endl;
}