#include <iostream>
#include <conio.h>
using namespace std;

void insert(char *s1,char *s2)
{
     char *s3;
     strcpy(s3,s2);
     strcat(s3,s1);
     strcpy(s1,s3);
}

void add(char *s1,char *s2,char *s3)
{
     
     int memory=0;
     for(int i=strlen(s1)-1;i>=0;i--)
     {
             int x;
             x=s1[i]+s2[i]+memory-2*48;
             memory=x/10;
             x%=10;
             s3[i]=x+48;
     }
     s3[strlen(s1)]=0;
     if(nho>0)
     insert(s3,"1");
}

void sub(char *s1,char *s2,char *s3)
{
     int debt=0;
     for(int i=strlen(s1)-1;i>=0;i--)
     {
             if(s1[i]>s2[i]+debt)
             {
             s3[i]=s1[i]-(s2[i]+debt)+48;
             debt=0;
             }
             else 
             {
                  debt=1;
                  s3[i]=10*debt+s1[i]-s2[i]-48;
             }
     }
}
             
int main()
{
    char s1[100];
    char s2[100];
    char s3[100];
    
    cout<<"The first hugo integer = ";
               cin>>s1;                             //I do'nt know declare a hugo integer by array integer??
    cout<<"\nThe second hugo integer = ";
                 cin>>s2;
                 
//Number 1 + Number 2    	
     add(s1,s2,s3);
    cout<<"\nTotal  = ";
    cout<<s3<<endl;
    
//Number 1 - number 2    
    sub(s1,s2,s3);
    cout<<"\nSub = "<<s3<<endl<<endl;
    
    system("pause");
    return 0;
}