b133. NOIP2006 4.数列 -- NOIP 2006 普及組 | From: [111.248.203.195] | 發表日期: 2025-02-22 11:01

b,a=1,0
p,n=map(int,input().split())
while n:
 if n&1:
  a+=b
 n>>=1
 b*=p
print(a%(1<<32))