shapes

import java.io.*;
public class asd
{
static BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
public static void main(String args[])throws IOException
{


int x=0;
int y=0;
System.out.println("Choose a SHAPE");
System.out.println("[1]Circle");
System.out.println("[2]Triangle");
System.out.println("[3]Square");
x=Integer.parseInt(in.readLine());
if ((x>=4)||(x
{
System.out.println("invalid option number");
}
else{
if (x==1){
System.out.println("Get C or A?");
System.out.println("[1] C");
System.out.println("[2] A");
}
if ((x==2)||(x==3)){
System.out.println("Get A or P?");
System.out.println("[1] A");
System.out.println("[2] P");
}
System.out.println("enter the number of your choice:");
y=Integer.parseInt(in.readLine());
if ((y>=3)||(x
{
System.out.println("invalid option number");
}
else
{
cir(x,y);
}
}
}
public static void cir(int x,int y)throws IOException
{
double p=0;
double b=0;
double h=0;
double q=0;

if ((x==1)&&(y==1))
{
System.out.println("Enter Radius:");
p=Double.parseDouble(in.readLine());
p=2*3.1416*p;
System.out.println("Circumference is: "+p);
}
if ((x==1)&&(y==2))
{
System.out.println("Enter Radius:");
p=Double.parseDouble(in.readLine());
p=3.1416*(p*p);
System.out.println("Area is: "+p);
}
if ((x==2)&&(y==1))
{
System.out.println("Enter Base:");
b=Double.parseDouble(in.readLine());
System.out.println("Enter Height:");
h=Double.parseDouble(in.readLine());
p=(b*h)/2;
System.out.println("Area is: "+p);
}
if ((x==2)&&(y==2))
{
System.out.println("Enter 1st side:");
b=Double.parseDouble(in.readLine());
System.out.println("Enter 2nd side:");
h=Double.parseDouble(in.readLine());
System.out.println("Enter 3rd side:");
p=Double.parseDouble(in.readLine());
p=b+h+p;
System.out.println("Perimeter is: "+p);
}
if ((x==3)&&(y==1))
{
System.out.println("Enter 1st side");
b=Double.parseDouble(in.readLine());
System.out.println("Enter 2nd side:");
h=Double.parseDouble(in.readLine());
p=b*h;
System.out.println("Area is: "+p);
}
if ((x==3)&&(y==2))
{
System.out.println("Enter 1st side:");
b=Double.parseDouble(in.readLine());
System.out.println("Enter 2nd side:");
h=Double.parseDouble(in.readLine());
p=(2*b)+(2*h);
System.out.println("Perimeter is: "+p);
}
}
}