#include <iostream>
using namespace std;
void func(int* p, int n) {
    int count = 0;
    for (int i = 0; i < 6; i++) {
        if (*(p + i) != '\0' && *(p + i) != 0) {
            cout << *(p + i) << " ";//如果不为0,直接打印输出
        } else {
            count++;//记录0的个数
        }
    }
    for (int i = 0; i < count; i++) {
        cout << "0" << " ";//打印0;
    }
}
int main() {
    int arr[6];
    for (int i = 0; i < 6; i++) {
        cin >> arr[i];
    }
    func(arr, 6);
}