Score : 200 points
You have decided to write a book introducing good restaurants. There are N restaurants that you want to introduce: Restaurant 1, Restaurant 2, ..., Restaurant N. Restaurant i is in city S_i, and your assessment score of that restaurant on a 100-point scale is P_i. No two restaurants have the same score.
You want to introduce the restaurants in the following order:
Print the identification numbers of the restaurants in the order they are introduced in the book.
Input is given from Standard Input in the following format:
N S_1 P_1 : S_N P_N
Print N lines. The i-th line (1 ≤ i ≤ N) should contain the identification number of the restaurant that is introduced i-th in the book.
6 khabarovsk 20 moscow 10 kazan 50 kazan 35 moscow 60 khabarovsk 40
3 4 6 1 5 2
The lexicographical order of the names of the three cities is kazan
< khabarovsk
< moscow
. For each of these cities, the restaurants in it are introduced in descending order of score. Thus, the restaurants are introduced in the order 3,4,6,1,5,2.
10 yakutsk 10 yakutsk 20 yakutsk 30 yakutsk 40 yakutsk 50 yakutsk 60 yakutsk 70 yakutsk 80 yakutsk 90 yakutsk 100
10 9 8 7 6 5 4 3 2 1