Cody

# Problem 563. How to add?

Solution 106389

Submitted on 4 Jul 2012 by Vitaly Lavrukhin
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### Test Suite

Test Status Code Input and Output
1   Pass
%% X='98765432109876543210987654321098765432109876543210987654321'; Y='98765432109876543210987654321098765432109876543210987654321'; Z='197530864219753086421975308642197530864219753086421975308642'; assert(isequal(dda(X,Y),Z))
``` status = 0 Z = 197530864219753086421975308642197530864219753086421975308642 Z = 197530864219753086421975308642197530864219753086421975308642 ```
2   Pass
%% X='6546468768680988454345'; Y='5757557542432424209808098908085353545657657'; Z='5757557542432424209814645376854034534112002'; assert(isequal(dda(X,Y),Z))
``` status = 0 Z = 5757557542432424209814645376854034534112002 Z = 5757557542432424209814645376854034534112002 ```
3   Pass
%% X='122'; Y='323'; Z='445'; assert(isequal(dda(X,Y),Z))
``` status = 0 Z = 445 Z = 445 ```
4   Pass
%% X='767678686868667868635435353545'; Y='465464643244242424249787979'; Z='768144151511912111059685141524'; assert(isequal(dda(X,Y),Z))
``` status = 0 Z = 768144151511912111059685141524 Z = 768144151511912111059685141524 ```