import os

test = 1
while True:
    os.system("python gen.py > input")
    os.system("test.exe < input > output")
    os.system("slow.exe < input > correct")
    output = [i.strip() for i in open("output").readlines()]
    correct = [i.strip() for i in open("correct").readlines()]
    if output != correct:
        print("Error at test", test)
        break
    print("Test", test, "is OK")
    print("-------------------")
    test += 1