from "EMBED" import u32_to_bits;
def main(u32 i) -> field {
bool[32] bits = u32_to_bits(i);
field mut res = 0;
for u32 j in 0..32 {
u32 exponent = 32 - j - 1;
res = res + (bits[j] ? 2 ** exponent : 0);
}
return res;