using System;
class Program
{
static void Main()
{
for (int i = 100; i < 1000; i++ )
{
bool simple = true;
for (int j = 2; j <= i / 2; j++)
{
if (i % j == 0)
{
simple = false;
break;
}
}
if (simple)
Console.Write(i + " ");
}
}
}
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