import std.stdio, std.algorithm;
import std.range : iota, take;
import std.bigint;
void main()
{
iota(BigInt(1), BigInt(10_000_001UL))
.filter!(a => a*(a+16)*(a+48)*(a+64) % 10_000_000 == 0 )
.take(1)
.writeln;
}
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