Timus 1083

#include<stdio.h>
int main()
{
    int n,total,i=0,ln,k;
    char s[25];
    scanf("%d %s",&n,s);
    ln=strlen(s);
    total=n;
    while(1){
        i++;
        k=ln*i;
        if((n-k)<=0)
            break;
        total=total*(n-k);
    }
    printf("%d\n",total);
    return 0;
}