Muhammad Khairullah Abdullah, 31, was jailed for five weeks and ordered to pay S$101.65.
Muhammad Shahzwan Hissam, 33, and Muhammad Rizuan Leman, 34, were each jailed for four weeks and ordered to pay S$54.91 each.
Alden Teo Chee Kiat, 32, was jailed for three weeks and ordered to pay S$45.76.