#include <iostream>
using namespace std;

float abs_value( float x )
{
    if ( x < 0 )
        x = -x;
    return( x );
}

int main()
{
    float x;
    
    cout << "Enter a number" << "\n";
    cin >> x;
    cout << "The absoulute value of your number is " << abs_value( x ) << endl;
    
    cout << "\n\n"; system( "PAUSE" );
    return( 0 );
}