n = int(input("Degré du polynôme : "))
a = float(input("Racine du polynôme : "))
p = (n+1)*[0]
for i in range(0,n+1):
    print("Coefficient de x^",i," : ")
    p[i]=float(input());

q = n*[0]
q[n-1] = p[n]
j = n-2
while j > -1:
    q[j] = p[j+1]+a*q[j+1]
    j=j-1

for i in range(0,n):
    print("Coefficient de x^",i," : ",q[i],end='\n')