TIMO 2017 Grade 3 Heat Set 5 Question 2

According to the pattern shown below, counting from the left how many circles are there from the 1st to the 103rd one? ○ ○ ○ △ □ ○ ○ ○ ○ △ □ ○ ○ ○ ○ △ □ ○ ○…