package tt1;
import java.util.*;
public class work2 {
public static void main(String[]args)
{Scanner reader=new Scanner(System.in) ;
double t=1;
int a=0;
while(reader.hasNextDouble()){
double x=reader.nextDouble();
a=a+1;
t=t*x;
}
Ѕуѕtеm.оut.рrіntf("%d个整数的乘积为%f\n",a,t);
}
}