#include<bits/stdc++.h>
//#include<bits/extc++.h>
//#define int long long//__int128
#define mmst0(x) memset(x,0,sizeof(x))
#define mmst3f(x) memset(x,0x3f3f3f3f,sizeof(x))
#define si(x) scanf("%d",&x) //scanf("%lld",&x) //When define int ll
#define pb(x) emplace_back(x)
#define mkp(x, y) make_pair(x, y)
#define fi first
#define se second
#define YESS printf("YES\n")
#define NOO printf("NO\n")
//#define len (r-1+1)
using namespace std;
//using namespace __gnu_pbds; //If using pbds don't using std!
typedef long long ll;
//typedef long double rld; //use double pls!
typedef unsigned long long ull;
typedef pair<int, int> PII;

const double eps = 1e-6;
const int INF=0x3f3f3f3f;//0x3f3f3f3f3f3f3f3f;//LLINF
const int MAXN=(int)75+3;
const int N=505;
const int M=55;
const int maxn=510;
const int mod=1e9;
const int inf=0x7f7f7f7f;

inline char nc() {
    static char buf[100000],*p1=buf,*p2=buf;
    return p1==p2&&(p2=(p1=buf)+fread(buf,1,100000,stdin),p1==p2)?EOF:*p1++;
}
inline int read() {
    int s=0,w=1;
    char ch=nc();
    while(!isdigit(ch)) {
        if(ch=='-')w=-1;
        ch=nc();
    }
    while(isdigit(ch)) {
        s=(s<<3)+(s<<1)+(ch^48);
        ch=nc();
    }
    return s*w;
}
//inline int read() {
//  int x;    // FAKE QUICK READ,JUST FOR DEBUG
//  si(x);
//  return x;
//}
//inline void read(int &x){char ch=nc();x=0;while (!(ch>='0'&&ch<='9')) ch=nc();while (ch>='0'&&ch<='9') x=(x<<3)+(x<<1)+ch-48,ch=nc();}//根据参数个数自动选择
//void prt(int x){if(x<0){putchar('-');x=-x;}if(x>9)prt(x/10);putchar((char)(x%10+'0'));}

int a1[maxn],b1[maxn],c[maxn];

inline void work(int CASE=1,bool FINAL_CASE=false) {
	string a,b;
	cin>>a>>b;
	int len=max(a.length(),b.length());
	for(int i=a.length()-1,j=1;i>=0;i--,j++)a1[j]=a[i]-'0';
	for(int i=b.length()-1,j=1;i>=0;i--,j++)b1[j]=b[i]-'0';
	for(int i=1;i<=len;i++)
	{
		c[i]+=a1[i]+b1[i];
		c[i+1]=c[i]/10;
		c[i]%=10;
	}
	if(c[len+1])
		len++;
	for(int i=len;i>=1;i--)
		cout<<c[i];
	
    return ;
}

signed main() {
    //ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); //freopen(".in", "r", stdin);//freopen(".out", "w", stdout);
    //signed T=(signed)read();//scanf("%d",&T);//cin>>T;
    int T=1;
    for(int CASE=1; CASE<=T; CASE++) {
        //printf("Case #%d: ",Case);
        //while(cin>>n) work(n);
        work(CASE,CASE==T);
    }
    return 0;
}