import sys

def zeros_count(list):
    zeros = 0
    for l in list:
        if float(l) == 0:
            zeros += 1
    print(zeros)
    return zeros

def main():
    inp, out = sys.argv[1], sys.argv[2]

    with open(inp, "r") as input:
        with open(out, "w") as output:
            i = 0
            for line in input:
                if i == 0:
                    i += 1
                    continue
                z = line.split()
                sen, date, *hist = z
                if zeros_count(hist) / len(hist) < 0.3:
                    output.write(line)
            output.close()
        input.close()

if __name__ == '__main__':
    main()