#include <stdio.h>
#include <stdlib.h>

int getval(void);

void main()
{
	int age,weight,area;
	float iq;

	printf("Program to calculate your IQ.\n");
	printf("Enter your age:");
	age=getval();
	printf("Enter your weight:");
	weight=getval();
	printf("Enter the your area code:");
	area=getval();

	iq=(float)(age*weight)/area;
	printf("This computer estimates your IQ to be %f.\n",iq);
}

int getval(void)
{
	char input[20];
	int x;

	gets(input);
	x=atoi(input);
	return(x);
}