local ffi = require("ffi")
local C = ffi.C
ffi.cdef[[
long long atoll(const char*);
]]

local function lltonumber(str)
  return C.atoll(str)
end

local q = io.read("*n", "*l")
for iq = 1, q do
  local s = lltonumber(io.read())
  local min, max = 1LL, 1000000007LL
  while 1LL < max - min do
    local mid = (min + max) / 2LL
    if mid * mid <= s then
      min = mid
    else
      max = mid
    end
  end
  min = tostring(min):gsub("LL", "")
  print(min)
end