import ida_bytes

def calc_flag(start_ea, length):
    raw_data = ida_bytes.get_bytes(start_ea, length)
    
    if not raw_data:
        return None
    
    data = bytearray(raw_data)
    
    for i in range(len(data)):
        data[i] = (data[i] + 119) & 0xFF
    
    return data
    
result = calc_flag(0x2020, 25)
if result:
    print(f"Result (hex): {result.hex()}")
    print(f"Result (string): {''.join(chr(b) for b in result if 32 <= b <= 126)}")