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#!/usr/local/bin/node
//
// See ../README.md
//
//
// Run as: node ch-2.js < input-file
//
function can_split (target, number) {
if (target > number || target < 0) {return false}
if (target == number) {return true}
let pow_10 = 10
while (pow_10 <= number) {
if (can_split (target - (number % pow_10),
Math . floor (number / pow_10))) {
return true
}
pow_10 *= 10
}
return false
}
require ('readline')
. createInterface ({input: process . stdin})
. on ('line', number => {
console . log (number > 1 && can_split
(Math . trunc (Math . sqrt (number)), number) ? 1 : 0)
})
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