#include <iostream>
#include <string>
#include <iomanip>
#include <conio.h>
#include <cmath>

using namespace std;

int A[1000], B[1000], Sum[1000];
int FirNum, SecNum;
int FirNum_Digit, SecNum_Digit;
int Leng;
     
int main()
{
        for ( int r = 0; r < 1000; r++ ) Sum[r] = 0;
        cout << "Enter 2 number : "; 
        cin >> FirNum >> SecNum;

        FirNum_Digit = (log(FirNum)/log(10)) + 1;
        SecNum_Digit = (log(SecNum)/log(10)) + 1;
        cout << FirNum_Digit << "===" << SecNum_Digit << endl;
      
       
        FirNum_Digit > SecNum_Digit ? Leng = FirNum_Digit : Leng = SecNum_Digit;

        int x = FirNum_Digit-1;
        int y = SecNum_Digit-1;
        
        do
        {
                A[x] = FirNum % 10;  B[y] = SecNum % 10;
                FirNum = FirNum/10;  SecNum = SecNum /10;
                
                x--;
                y--;
        } while ( x >= 0 || y >= 0 );
        
        for ( int r = 0; r < FirNum_Digit; r++ ) cout << "--" << A[r] << endl;
        for ( int c = 0; c < SecNum_Digit; c++ ) cout << "--" << B[c] << endl;


        int SumFactor = 0;
        int TEMP = 0;
        
        while ( FirNum_Digit >= 0 || SecNum_Digit >= 0 )
        {
                SumFactor = A[FirNum_Digit-1] + B[SecNum_Digit-1] + TEMP;
                if ( SumFactor < 10 ){
                        Sum[Leng] = SumFactor;
                        TEMP = 0;
                }
                else{
                        Sum[Leng] = SumFactor%10;
                        TEMP = 1;
                }
                FirNum_Digit--; 
                SecNum_Digit--;
                Leng--;
        }
      
        if ( TEMP == 1 ) Sum[0] = 0;

        for ( int i = 0; i < Leng; i++ ){
                cout << setw(3) << Sum[i];
        }  
        getch();
        return 0;
        
        
}