S E N D+ M O R E= M O N E Y
0?S,…,Y?9
S ? 0
M ? 0
S…Y all different
1000*S + 100*E + 10*N + D
+ 1000*M + 100*O + 10*R + E
= 10000*M + 1000*O + 100*N + 10*E + Y
S ? ?
E ? ?
N ? ?
D ? ?
M ? ?
O ? ?
R ? ?
Y ? ?
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