with open("output_dev_20k","r") as f:
    output = f.read().split('\n')


with open("tst2012.from","r") as f:
    from_data = f.read().split('\n')

right = 0
total = 0

for n,_ in enumerate(output):
    try:
        num_1 = float(from_data[n].split(' +')[0])
        num_2 = float(from_data[n].split('+ ')[1])
        real_answer = num_1 + num_2
        predicted_answer = float(output[n])

        if predicted_answer == real_answer:
            right+=1
        total+=1
        print(real_answer, predicted_answer)
    except Exception as e:
        print(str(e))

print(right/total)