pi=22/7  
radian = float(input("Input radians: "))  
degree = radian*(180/pi)  
print(degree)  

# The radian is the standard unit of angular measure, used in many areas of mathematics. An angle's measurement in radians is numerically equal to the length of a corresponding arc of a unit circle; one radian is just under 57.3 degrees (when the arc length is equal to the radius).