# include <stdio.h>

void main()
{
	int a=0,b=0,c=0;
	int whole_square=0;

	printf("Enter values of a , b and c\n");
        scanf("%d %d %d", &a, &b, &c);

	whole_square=(a*a)+(b*b)+(c*c)+2*(a*b+b*c+c*a);
	printf("Whole square of three numbers is %d \n", whole_square);

}