addition 1000000000000000000000

#include <bits/stdc++.h>


using namespace std;

int main(){
    char x1[100100],y1[100100];

    cin >> x1 >> y1;
    int x = strlen(x1),y = strlen(y1);

    if(x>y){
        for(int i=0;i<y;++i){
            int a=x1[x-1-i]-'0';
            int b=y1[y-1-i]-'0';

            int c=a+b;

            if(c>=10){
                if(x-1-i==0){
                    c=c-10;
                    cout << "1";
                }
                else{
                    c=c-10;
                    x1[x-2-i]++;
                }
            }
            x1[x-1-i]=c+'0';
        }
        for(int i=x-1;i>=0;--i){
            if(x1[i]>=58){
                if(i==0){
                    cout << "1";
                    x1[i]=x1[i]-10;
                }
                else{
                    x1[i-1]++;
                    x1[i]=x1[i]-10;
                }
            }
        }
        cout << x1;
    }
    else{
          for(int i=0;i<x;++i){
            int a=y1[y-1-i]-'0';
            int b=x1[x-1-i]-'0';

            int c=a+b;

            if(c>=10){
                if(y-1-i==0){
                    c=c-10;
                    cout << "1";
                }
                else{
                    c=c-10;
                    y1[y-2-i]++;
                }
            }
            y1[y-1-i]=c+'0';
        }
        for(int i=y-1;i>=0;--i){
            if(y1[i]>=58){
                if(i==0){
                    cout << "1";
                    y1[i]=y1[i]-10;
                }
                else{
                    y1[i-1]++;
                    y1[i]=y1[i]-10;
                }
            }
        }
        cout << y1;
    }



    return 0;
}