#include <stdio.h>double f(int n,double i){ i*=n; n--; printf("%lf\n",i); if(n==0) { return i; } f(n,i);}int main(int argc, char *argv[]){ int n,m,s=0,s2=0,s3=0; char A[100]; double x; scanf("%d%d",&n,&m); printf("%.4f",f(n,1.0)); //printf("%.4f",1/f(n,1.0)+1/f(m,1.0)); return 0;}