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zern/examples/puzzles/euler_04.zr

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func main[] : i64
let out = 0
for a in 500..1000
for b in 500..1000
if a * b > out
let s: str = str.from_i64(a * b)
let s_rev: str = str.reverse(s)
if str.equal(s, s_rev)
out = a * b
mem.free(s)
mem.free(s_rev)
io.println_i64(out)