# coding=UTF-8
print 'Enter stop if you won stop'
while True:
    reply = raw_input('Enter text:')
    if reply == 'stop':
        break
    else:
        y = []
        for i in reply:            
            y.append(i + ' ')
        s = ''.join(y)
        print  s

else:
        for i in reply:            
            print i,