def main():
    count = 1
    x1 = 0.6311
    random(x1, count)

def random(x, count):
        sq = x * x
        strsq = str(sq)
        if len(strsq) != 10:
            strsq += '0000'
        print(strsq[4:8])
        strsq2 = (strsq[4:8])
        nextx = int(strsq2) / 10000
        count += 1
        if count == 996:
            exit()
        else:
            random(nextx, count)

if __name__ == "__main__":
    main()