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def main():
    n = int(input())

    a = []
    for i in range(1, n + 1):
        s, x = input().split()
        if s == "TAK":
            a.append((i, int(x)))
    
    res = a[:10] + [(i, x) for i, x in a[10:] if x < 2][:10]

    print(" ".join([str(i) for i, x in res]))

if __name__ == "__main__":
    main()