'सीतायाः ______ नाम रामः अस्ति ।'- इत्यत्र रिक्तस्थानं पूरयत ।
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world