#include <stdio.h>
#include <stdlib.h>

int main( int argc, char ** argv )
{
    float f;

    if ( argc < 2 )
    {
	fprintf ( stderr, "usage: %s float\n", argv[0] );
	return ( 1 );
    }

    f = atof ( argv[1] );
    printf ( "%0X\n", *( int * )( &f ) );

    return ( 0 );
}