import java.io.*;
class small
{
public static void main(String args[])throws IOException
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
System.out.println("entre the value of m");
int m=Integer.parseInt(br.readLine());
System.out.println("entre the value of n");
int n=Integer.parseInt(br.readLine());
int r=0;int num=0;int t=0;
if((m>100&&m<10000)&&(n<100))
{
for(int i=m;i<10000;i++)
{
r=0;
int rev=0;
int d=0;
t=i;
while(t>0)
{
d=t%10;
rev=rev*10+d;
r=r+d;
t=t/10;
}
if(r==n)
{
while(rev>0)
{
d=rev%10;
num=num*10+d;
rev=rev/10;
}
System.out.println("reqired number is ="+num);
break;
}
}
}
else
System.out.println("invalid no");
}
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