#include <iostream>
#include <cstdint>

int main() {
	typedef std::uint32_t uInt;
	uInt n;
	uInt count=0;
	uInt back = 0;
	std::cin >> n;
	for (uInt i = 0; i < n; i++) {
		uInt value;
		std::cin >> value;
		if (back >= value) {
			count++;
		}
		back = value;
	}
	std::cout << count << std::endl;
	return 0;
}