print((function (h, n)
	local r = 1
	for _=1,n-1 do if h < io.stdin:read("*n") then r = r+1 end end
	return string.format("%d%s", r, r==1 and "st" or r==2 and "nd" or r==3 and "rd" or "th")
end)(io.stdin:read("*n"), io.stdin:read("*n")))