bus

#include <iostream>
#include <array>
#include <climits>

const int maxSize = 100;

std::array<int, maxSize> readInput(int& busArrivalTimesCount) {
	std::array<int, maxSize> arr{};

	for (int i = 0; i < busArrivalTimesCount; ++i) {
		std::cin >> arr[i];
	}
	return arr;
}

int hoursToMins(int hours) {
	int minutes = (hours / 100) * 60;
	int addUp = hours % 100;

	return minutes + addUp;
}

void bestOption(int& busArrivalTimesCount, std::array<int, maxSize>& busArrivalTimes, int& departureTime) {
	int min = INT_MAX;
	int bestOption = 0;

	for (int i = 0; i < busArrivalTimesCount; ++i) {
		int time = abs(hoursToMins(busArrivalTimes[i]) - hoursToMins(departureTime));
		if (time < min) {
			min = time;
			bestOption = i + 1;
		}
	}
	std::cout << bestOption << std::endl;
}

int main() {
	int busArrivalTimesCount;
	std::cin >> busArrivalTimesCount;

	std::array<int, maxSize> busArrivalTimes = readInput(busArrivalTimesCount);

	int departureTime;
	std::cin >> departureTime;

	bestOption(busArrivalTimesCount, busArrivalTimes, departureTime);
}