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use std
const isprime = {x
if (x < 1)
-> false
;;
for var i = 2; i * i <= x; i++
if (x % i ==0)
-> false
;;
;;
-> true
}
const main = {
for var i = 9; true; i+=2
if (isprime(i))
continue
;;
var found = true
for var j = 1; true; j++
var t = i - j * j * 2
if t <= 0
break
;;
if (isprime(t))
found = false
break
;;
;;
if found
std.put("{}\n", i)
break
;;
;;
}
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