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

float display_output(float a)
{
    float surface_area;
    surface_area = 6 * a * a;
    return surface_area;
}

float main()
{
    system("cls");
    float side;
    printf("Enter the side of the square:\n");
    scanf("%f", &side);
    printf("Surface area of sqaure is: %f", display_output(side));
    return 0;
}

//.......Coded by JAIDEEP JAMBLE