#include <bits/stdc++.h>
using namespace std;
int main(){
for (int i = 0; i <= 100; i += 2){
cout << i << ' ';
}
cout << endl;
#include <bits/stdc++.h>
using namespace std;
int main(){
for (int i = 0; i <= 100; i += 2){
cout << i << ' ';
}
cout << endl;
}