#include <iostream>

using namespace std;

int A[100] = {0}, B[100] = {0}, W[100] = {0}, W2[100] = {0};

void dodaj (int k)
{
 for ( int i = 1; i <= k; i++)
 {
 W [i+1] = ( W[i] + A[i] + B[i] ) /10;

 W [i] = ( W[i] + A[i] + B[i] ) %10;
 }
 
 W[0] = k;
}



void odejmij (int k, int k1, int k2)
{
    int Aod[100] = {0}, Bod[100] = {0}, i = 1, c = 0;
   
    bool ujemna = false;
    
    if (k1 < k2)
    ujemna = true;
    
    if (k1 == k2 && A[k1] < B[k2])
    ujemna = true;
   
    if (ujemna)
        for (int j = 0; j <= k2; j++)
        {
            Aod[j] = B[j];
            Bod[j] = A[j];
        }
       
    else
        for (int j = 0; j <=k1; j++)
        {
            Aod[j] = A[j];
            Bod[j] = B[j];
        }
    for (i = 0; i < k; i++)
    {
        if (Aod[i + 1] - Bod[i + 1] - c < 0)
        {
            W2[k - 1] = Aod[i + 1] + 10 - Bod[i + 1] - c;
            c = 1;
        }
        
        else
        {
            W2[k - 1] = Aod[i + 1] - Bod[i + 1] - c;
            c = 0;
        }
    }
   
   if (ujemna)
   W2[0] = -1;
    
}

















int main()
{
 string sliczba;
 string sliczba2;
 int k;
 int k1;
 int k2;
 
 
 cin >> sliczba;
 k1 = sliczba.length();

 int j = 1;

 for ( int i = sliczba.length()-1; i >= 0; i-- )

 {
 A[j] = sliczba.at (i) - '0' ;

 j++;
 }
 
 
 cin >> sliczba2;
 k2 = sliczba2.length();
 
 
 if ( k1 > k2 )
 k = k1;
 
 else
 k = k2;
 
 j = 1;

 for ( int i = sliczba2.length()-1; i >= 0; i-- )

 {
 B[j] = sliczba2.at (i) - '0';

 j++;
 }








 dodaj(k);
 
 odejmij(k,k1,k2);
 
 
 cout << "Wynik dodawania: ";

 for ( int i = W[0]; i > 0; i--)
 {
 cout << W[i];
 }
 cout << " " << endl;
 
 
 cout << "Wynik odejmowania: ";

 if (W2[0] !=0)
 cout << '-';
 
 for (int i = 1; i <= k; i++ )
 {
     cout << W2[i];
 }
 
 
 return 0;
}