#include <stdio.h>
#include <conio.h>

main()
 {
    float a,b,c;
    printf("Program: Calculate the area of a square");
    printf("\nInput A :");
    scanf("%g",&a);
    c = a*a;
    printf("\nResult :%g",c);
    printf("\nBy: sirasit yiamcharoen no.7");
}