import core.bitop, std.algorithm, std.ascii, std.bigint, std.conv, std.math,
    std.functional, std.numeric, std.range, std.stdio, std.string, std.random,
    std.typecons, std.container;

// dfmt off
T lread(T = long)(){return readln.chomp.to!T();}
T[] aryread(T = long)(){return readln.split.to!(T[])();}
void scan(TList...)(ref TList Args){auto line = readln.split();
foreach (i, T; TList){T val = line[i].to!(T);Args[i] = val;}}
alias sread = () => readln.chomp();enum MOD = 10 ^^ 9 + 7;
// dfmt on

void main()
{
    long N = lread();
    auto S = new string[](N);
    auto P = new long[](N);
    foreach (i; 0 .. N)
        scan(S[i], P[i]);
    auto I = iota!long(N).array;
    zip(S, P, I).sort();
    foreach (s; S.uniq())
    {
        Tuple!(long, long)[] tmp;
        foreach (t; zip(S, P, I))
            if (t[0] == s)
                tmp ~= tuple(t[1], t[2]);
        tmp.sort!"b<a"();
        foreach (t; tmp)
            writeln(t[1] + 1);
    }
}
