int main() {
int n,b,c;
__int64 a[
51];
float total;
scanf(
"%d",&n);
a[
1]=
0;
a[
2]=
1;
for(
int i=
3;i<=
50;i++){
a[i]=(a[i-
1]+a[i-
2])
*(i-
1);
// printf(
"%Id\n",a[i]);
}
while(n--){
scanf(
"%d",&b);
total =
1.0;
for (
int i=
1;i<=b;i++) {
total = total * i;
}
printf(
"%.2lf%%\n",a[b]/total
*100);
}
return 0;
}
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