#include<iostream>
#include<Cstring>
using namespace std;
char *ladd(char *s1,char *s2)
{
    int n1,n2,n;
    char *res,c=0;
    n1=strlen(s1);
    n2=strlen(s2);
    if(n1>n2)
        n=n1;
    else
        n=n2;
    for(int i=n+1;i>=0;i--)
    {
        if(i>n-n1)
         res[i]=s1[i-n-1+n1];
         else
            res[i]='0';
    }
    for(int i=n;i>=0;i--)
    {
        char tchar;
        if(i>n-n2)
            tchar=res[i]-'0'+s2[i-n+n2-1]-'0'+c;
        else
            tchar=res[i]-'0'+c;
        if(tchar>9)
            c=1;
        else
            c=0;
        if(c>0)
            res[i]=tchar-10+'0';
        else
            res[i]=tchar+'0';
    }
    return res;
}
int main()
{
    char num1[100],num2[100],*num;
    cin>>num1>>num2;
    num=ladd(num1,num2);
    cout<<num1<<"+"<<num2<<"="<<num<<endl;
    delete []num;
    return 0;
}

#include <iostream>
#include <cstring>
using namespace std;

char* ladd( const char* s1, const char* s2, char* result )
{
    char* p3 = result;
    unsigned carry = 0;
    for( const char *p1=s1+strlen(s1)-1,*p2=p2=s2+strlen(s2)-1; p1>=s1||p2>=s2; )
    {
        carry += (p1>=s1?*p1---'0':0) + (p2>=s2?*p2---'0':0);
        *p3++ = carry%10 + '0';
        carry /= 10;
    }
    if( carry )
        *p3++ = carry+'0';
    *p3-- = '\0';

    for( char* p=result; p<p3; ++p,--p3 )
    {
        char tmp = *p;
        *p = *p3;
        *p3 = tmp;
    }
    return result;
}

int main( void )
{
    char num1[100], num2[100], num3[101];
    cin >> num1 >> num2;
    ladd( num1, num2, num3 );
    cout << num1 << " + " << num2 << " = " << num3 << endl;

    return 0;
}