POTTERVILLE, Mich. (AP) — Three 18-year-old brothers and their two 18-year-old sisters have landed their first jobs, together, at a McDonald's in Michigan.

The non-identical quintuplets said they can usually get through a working day without any customers recognizing they are siblings.

Leith, Logan and Lucas Curtis all work in the kitchen at the restaurant in Potterville, near Lansing, MLive (http://bit.ly/2dp7ewD ) reported. Lauren Curtis works at the front counter and drive-thru, and Lindsey Curtis handles the lobby.

"We call it McCurtis," said Lori Curtis, the quintuplets' mother, in a statement.

Lucas and Lauren Curtis began working at the McDonald's a year ago. Leith Curtis signed up in March, and Lindsay and Logan Curtis joined two months later.

"We did some research and heard from other friends that working at McDonald's is a great place to work," said Lucas, who was named July's employee of the month. "It's cool that I can rely on my siblings to get our work done and collaborate with them at work."

Restaurant manager Jennifer Walters said the five siblings are great for business.

"When they're working with their brothers and sisters, it made it easier for them learn their jobs," she said. "They work very well together and are all becoming very strong in their respective areas."

The five siblings share one car in order to get back and forth from work. Each of them pitches in for gas.

"Overall, it works pretty well," Lori Curtis said. "They try not to get in each other's way. They know when they're at work, they're there to work."

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Information from: The Grand Rapids Press:MLive.com, http://www.mlive.com