Python

def is_prime(num):
    if num < 2:
        return False
    for i in range(2, int(num ** 0.5) + 1):
        if num % i == 0:
            return False
    return True

n = int(input())
for even in range(4, n + 1, 2):
    for x in range(2, even // 2 + 1):
        if is_prime(x) and is_prime(even - x):
            print(f"{even}={x}+{even - x}")
            break