#include <bits/stdc++.h>
using namespace std;
int main(){
int n, sana,s;
char k[21];
cin>>n;
cin.getline(k,sizeof(k));
sana = strlen(k)-1;

if (1<=n&&n<=10&&1<=sana&&sana<=20){

if(n%sana==0) { s=sana;}
else          { s=1;}
while(n>0){
    s*=n;
    n=n-sana;}
cout << s << endl;
}
}

Edited by author 28.01.2018 23:09