PLs help with my code
package fr.codegym.task.task04.task0417;
/*
Avons-nous une paire ?
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String s = reader.readLine();
String t = reader.readLine();
String u = reader.readLine();
int a = IntegerparseInt(s);
int b = IntegerparseInt(t);
int c = IntegerparseInt(u);
if (a == b && c!= a && c!=b)
{
System.out.println(a+" "+b);}
if (a==c && b!=a && b!=c)
{
System.out.println(a + " " + c);}
if (b==c && a!= b && a != c)
{
System.out.println(b + " " + c);}
else if (a== b && b==c)
{
System.out.println(a + " " + b + " " + c);}
}
}