using System;
class Example
{
public static void Main()
{
int n , sum=0, kob=1;
n = Convert.ToInt32(Console.ReadLine());
for( int i=1;i<n;i++){
sum=sum+i;
kob=kob*i;
}
Console.WriteLine("summasy="+sum +" \nkoboitusu=" + kob);
}
}
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