Q: In this task, you need to Translate Czech text to English.
Biocidn  kompozice vykazuj c  synergick  · inky, kter  obsahuje sm s halogenpropynylov  slou eniny a s ru obsahuj c ho S-triazinu. Pou it  kompozice pro ochranu substr tu jako jsou barvy, n t ry, Ütuka, beton, k men, cementov  povrchy, d°evo, t sn n , tmely, textilie, atd. p°ed zamo°en m houbami a °asami impregnac  substr tu · inn²m mno stv m biocidn  kompozice.\
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
In the present invention there is disclosed a biocidal composition exhibiting synergistic activity and comprising a mixture of a halopropynyl compound and a sulfur-containing S-triazine. Further disclosed is the use of the above composition to protect a substrate, such as paints, coatings, stucco, concrete, stone, cementaceous surfaces, wood, caulking, sealants, textiles, and the like from attack by one or more fungi and/or algae, by impregnating of the substrate with an effective amount of the above indicated biocidal composition.