#include <stdio.h>
#include <conio.h>
main()
{
	printf("Program:Finding the area of a Quadrilateral volume\n");
	float a,b,c,d,e;
	printf("\nInput A :");
	scanf("%f",&a);
	printf("\nInput B :");
	scanf("%f",&b);
	printf("\nInput C :");
	scanf("%f",&c);
	printf("\nInput D :");
	scanf("%f",&d);
	e=a*b*c*d;
	printf("\nOutput : %.1f", e);
	printf("\nBy:Kanpapha Soda no.13");
}