#include <stdio.h>
int main()
{
int t, n;
int factorial;
scanf("%d", &t);
while(t--)
{
scanf("%d", &n);
if(n <= 4)
{
factorial = 1;
for(int i = 1; i <= n; ++i)
factorial *= i;
printf("%d\n", factorial);
}
else
printf("0\n");
}
return 0;
}
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