def power(x, y):
    answer = 1

    if y < 0:
        y = y * -1
        neg = True
    else:
        neg = False
        
    for i in range (y):
        answer = answer * x

    if neg == False:
        return answer
    else:
        return 1/answer        

def main():
    a = float (input ("Please enter the base: "))
    
    while a >= 0:
        b = int (input ("Please enter the power: "))
        print (power (a, b))
        a = float (input ("Please enter the base: "))
        
main()