"""
一个特殊的用例:
1 1 1
11 2
YES
"""import sys
def parse_input():
a, b, c = map(int, sys.stdin.readline().strip().split())
x, k = map(int, sys.stdin.readline().strip().split())
return a, b, c, x, k
def solution(a, b, c, x, k) -> bool:
a, b, c = a - 1, b - 1, c - 1
m = max(a, b, c)
m_eq_0 = (x - k >= m and k * m >= x - k) or (x - k < m and (a, b, c).count(m) > 1)
m_gt_0 = x - k >= 2 * (m + 1) and (x - k) // 2 * k >= x - k
return not (m_eq_0 or m_gt_0)
if __name__ == "__main__":
a, b, c, x, k = parse_input()
print("YES" if solution(a, b, c, x, k) else "NO")