{

if (str1.length() < str2.length())

swap(str1, str2);

string str = "";

int n1 = str1.length(), n2 = str2.length();

reverse(str1.begin(), str1.end());

reverse(str2.begin(), str2.end());

int carry = 0;

for (int i=0; i<n2; i++)

{

int sum = ((str1[i]-'0')+(str2[i]-'0')+carry);

str.push_back(sum%10 + '0');

carry = sum/10;

}

for (int i=n2; i<n1; i++)

{

int sum = ((str1[i]-'0')+carry);

str.push_back(sum%10 + '0');

carry = sum/10;

}

if (carry)

str.push_back(carry+'0');

reverse(str.begin(), str.end());

return str;

{

string str1,str2;

cin>>str1>>str2;

cout << findSum(str1, str2);

return 0;