from marbles import over, computer, legal, player

import random

def run( n=16 ) :

    print( 'There are', n, 'marbles' )
    print()

    while ( not over( n ) ) :

        r = int( input( 'How many marbles should be removed: ' ) )
        print()

        while ( not legal( n, r ) ) :
            r = int( input( 'Invalid move, try again: ' ) )
            print()

        n = n - r
        print( 'There are', n, 'marbles left' )
        print()

        if ( over ( n ) ) :
            print( 'You win' )
            return

        r = computer( n )
        print( 'I take', r, 'marbles' )
        print()

        n = n - r

        if ( over ( n ) ) :
            print( 'I win' )
            return
        else :
            print( 'There are', n, 'marbles left' )
            print()


if ( __name__ == '__main__' ) :

    random.seed( 1112 )
        
    run( 16 )