Hours before the polls closed Tuesday, the Monogram Shop in East Hampton called the election for Hillary Clinton.

The shop is known for its high-accuracy “cup count” — sales of commemorative plastic cups featuring presidential candidates’ logos. On Tuesday, the shop’s workers tallied their signature straw poll’s results for the last time this election season and declared Clinton the winner with 5,123 cups sold.

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Republican nominee Donald Trump trailed more than 1,000 cups behind with 3,424 sold, shop workers said at 5 p.m. Tuesday, the store’s closing time.

Shop owner Valerie Smith did not return a call seeking comment, but the shop posted on Instagram that Clinton cups had sold out over the weekend. Staff resorted to crossing out the logo on Trump cups and using blue and red markers to write “Clinton Kaine 2016” on the other side to meet demand.

“You have to be nimble in the cup count game,” the post read.

Trump cups initially outsold Clinton cups until July, when the Democratic presidential nominee pulled ahead.

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Smith first began selling commemorative election cups back in 2004. The cup count, which received national media attention this year, has successfully predicted the winner of every presidential race since then, she said in a July interview with Newsday.