Task: Calculate the intensity of emotion E in the tweet as a decimal value ranging from 0 to 1, with 0 representing the lowest intensity and 1 representing the highest intensity.
Tweet: @imKBRshanthnu happy birthday buddy☺ wishing u lots of #smiles &amp; #success 🌸 #ameen☺ my bday in #3days 😍 yaayyaaa💃
Emotion: joy
Intensity score: 