Lead Number is a number whose sum of even digits is equal to the sum of odd digits.
Example 1: 143. Sum of even digits = 4 = 1+3 = Sum of odd digits. Hence it is a Lead Number.
Example 2: 234. Sum of even digits = 2+4 ≠ 3 = Sum of odd digits. hence it is not a Lead Number.
Java
import java.util.*;
public class LeadNumber
{
public static void main(String args[])
{
int n=0,r=0,oSum=0,eSum=0,nCopy=0;
Scanner sc=new Scanner(System.in);
System.out.print("Enter a number: ");
n=sc.nextInt();
nCopy=n;
while(n>0)
{
r=n%10;
if(r%2==0)
{
eSum=eSum+r;
}
else
{
oSum=oSum+r;
}
n=n/10;
}
if(eSum==oSum)
{
System.out.println(nCopy+" is a Lead Number");
}
else
{
System.out.println(nCopy+" is not a Lead Number");
}
}
}