import std.algorithm;
import std.array;
import std.ascii;
import std.bigint;
import std.complex;
import std.container;
import std.conv;
import std.functional;
import std.math;
import std.range;
import std.stdio;
import std.string;
import std.typecons;

auto readInts() {
	return array(map!(to!int)(readln().strip().split()));
}
auto readInt() {
	return readInts()[0];
}
auto readLongs() {
	return array(map!(to!long)(readln().strip().split()));
}
auto readLong() {
	return readLongs()[0];
}

void readlnTo(T...)(ref T t) {
    auto s = readln().split();
    assert(s.length == t.length);
    foreach(ref ti; t) {
        ti = s[0].to!(typeof(ti));
        s = s[1..$];
    }
}

const real eps = 1e-10;

void main(){
    while(true) {
        auto n = readInt();
        if(n == 0) {
            return;
        }
        int[] t;
        int[] idx;
        foreach(i; iota(n)) {
            auto l = readInts();
            idx ~= l[0];
            int time;
            foreach(j; iota(4)) {
                time += l[2*j+1] * 60 + l[2*j+2];
            }
            t ~= time;
        }
        zip(t, idx).sort();
        writeln(idx[0]);
        writeln(idx[1]);
        writeln(idx[$-2]);
    }
}