#include <iostream>
using namespace std;
// DONALD + GERALD = ROBERT
#define START(var, beg) \
for (int var = beg; var <= 9; ++var) { \
if (isUsed[var]) continue; \
isUsed[var] = true;
#define END(var) isUsed[var] = false; }
int main()
{
bool isUsed[10] = { false };
START(D, 1)
START(O, 0)
START(N, 0)
START(A, 0)
START(L, 0)
int donald = (D * 100000) + (O * 10000) + (N * 1000) + (A * 100) + (L * 10) + D;
//std::cout << donald << " = " << D << O << N << A << L << D << std::endl;
START(G, 1)
START(E, 0)
START(R, 0)
int gerald = (G * 100000) + (E * 10000) + (R * 1000) + (A * 100) + (L * 10) + D;
int robert = donald + gerald;
int tmp = robert;
int t = tmp % 10; tmp /= 10;
int r1 = tmp % 10; tmp /= 10;
int e = tmp % 10; tmp /= 10;
int b = tmp % 10; tmp /= 10;
int o = tmp % 10;
int r2 = tmp / 10;
if (!isUsed[b] && !isUsed[t] && b != t
&& r1 == R && e == E && o == O && r2 == R) {
std::cout << donald << " + " << gerald << " = " << robert << std::endl;
}
END(R)
END(E)
END(G)
END(L)
END(A)
END(N)
END(O)
END(D)
}
