import java.util.
*;
public class Menu_program
{
public static void main(String args[])
{
Scanner ab = new Scanner(System.in);
System.out.println("Choose any one of the following :- ");
System.out.println("1. Reverse a number which consists of three digits ");
System.out.println("2. Display the sum of even digits of a number which
consists of two digits ");
System.out.println("3. Input tgwo different two-digit number and display
the one which consists of prime digits");
System.out.println("Enter your choice (only the option number) = ");
int ch= ab.nextInt();
if(ch==1)
{
System.out.println("Enter a three-digit number= ");
int a= ab.nextInt();
int b= a%10;
int c= (a/10)%10;
int d= a/100;
int rn= (d*100)+(c*10)+b ;
System.out.println("The Reversed number= " +rn);
}
else if(ch==2)
{
System.out.println("Enter a two digit number= ");
int aa= ab.nextInt();
int aao= aa%10;
int aat= aa/10;
if(aao%2==0 && aat%2==0)
{
int s= aao+aat;
System.out.println("Sum of even numbers= " +s);
}
else
System.out.println("The numbers are not even");
}
else if(ch==3)
{
System.out.println("Enter a two-digit number= ");
int n= ab.nextInt();
System.out.println("Enter another two-digit number= ");
int nn= ab.nextInt();
int no= n%10;
int nt= n/10;
int nno= nn%10;
int nnt= nn/10;
if((no==2 || no==3 || no==5 || no==7) && (nt==2 || nt==3 || nt==5 ||
nt==7))
System.out.println("The number consisting of prime digits= " +n);
else if((nno==2 || nno==3 || nno==5 || nno==7) && (nnt==2 || nnt==3 ||
nnt==5 || nnt==7))
System.out.println("The number consisting of prime digits= " +nn);
else
System.out.println("None of the number consists of prime digits");
}
else
System.out.println("Invalid input");
}
}
