#AUTHOR : Darshan Aguru
#date : 24/12/2021
# --------- Python program to divide two numbers -------------
#answers are rounded off upto 5 decimal places
if __name__ == "__main__":
inpA = int(input("Enter A: "))
inpB = int(input("Enter B: "))
try:
print(round(inpA/inpB,5))
except ZeroDivisionError:
print("Can't divide by zero.")