#糙集简单

#include<iostream>

using namespace std;

inline int read(){
   int s=0,w=1;
   char ch=getchar();
   while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();}
   while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar();
   return s*w;
}


void write(int x) {
     if(x<0) putchar('-'),x=-x;
     if(x>9) write(x/10);
     putchar(x%10+'0');
}

#define N 520

int a[N],c[N],b[N];

string A,B;

int main(){
	cin>>A>>B;
	int len=max(A.length(),B.length());
	for(int i=A.length()-1,j=1;i>=0,j<=A.length();i--,j++)
		a[j]=A[i]-'0';
	for(int i=B.length()-1,j=1;i>=0,j<=B.length();i--,j++)
		b[j]=B[i]-'0';
	for(int i=1;i<=len;i++){
		c[i]+=a[i]+b[i];
		c[i+1]=c[i]/10;
		c[i]=c[i]%10;
	}
	if(c[len+1])
		len++;
	for(int i=len;i>=1;i--)
		cout<<c[i];
	
	return 0;
}