1.0 KB | 1022 chars
"""
[32279: 수열의 비밀 (Easy)](https://www.acmicpc.net/problem/32279)
Tier: Bronze 2
Category: implementation, math
"""
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
SYS_INPUT = True
RECURSION_LIMIT = 10 ** 7
SET_RECURSION = False
BLANK = " "
if SET_RECURSION:
sys.setrecursionlimit(RECURSION_LIMIT)
inp = lambda : sys.stdin.readline().rstrip() if SYS_INPUT else input()
mii = lambda : [*map(int,inp().split())]
mfi = lambda : [*map(float,inp().split())]
ii = lambda : int(inp())
fi = lambda : float(inp())
isplit = lambda : inp().split()
p = print
def gcd(a, b): return gcd(b, a % b) if b > 0 else a
def lcm(a, b): return a * b // gcd(a, b)
def solve():
n = ii()
p, q, r, s = mii()
a = ii()
l =[0] * (n+1)
l[1] = a
for i in range(2, n+1):
if i % 2 == 0:
l[i] = l[i // 2] * p + q
else:
l[i] = r * l[i // 2] + s
print(sum(l))
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()