k = int(input("Введите значение k: "))

k_squared = k * k
found = False

for x in range(1, 31):
    for y in range(1, 31):
        for z in range(1, 31):
            if x * x + y * y + z * z == k_squared:
                print(f"x={x}, y={y}, z={z}")
                found = True

if not found:
    print("Решений не найдено")