Contest1324/D1.cpp

#include<bits/stdc++.h>

using namespace std;

int main() {
    int a[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
    do {
        int x = a[0] * 100 + a[1] * 10 + a[2];
        int y = a[3] * 100 + a[4] * 10 + a[5];
        int z = a[6] * 100 + a[7] * 10 + a[8];
        if (y == 2 * x && z == 3 * x) {
            cout << x << y << z << endl;

        }
    } while (next_permutation(a, a + 9));
    return 0;
}