For information this is with variables in French
package fr.codegym.task.task06.task0606;
import java.io.*;
/*
Chiffres pairs et impairs
*/
public class Solution {
public static int pairs;
public static int impair;
public static void main(String[] args) throws IOException {
//écris ton code ici
BufferedReader l = new BufferedReader(new InputStreamReader(System.in));
String na = l.readLine();
int a = Integer.parseInt(na);
int b;
while(true){
b = a%10;
if(b%2 == 0)
{pairs++;}
else
impair++;
if(a<10)
break;
a = (a-b)/10;
}
System.out.println("Pair : " + pairs + " Impair : " + impair);
}
}