#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
int main(){
int a[100001],b[100001],c[100001],lena,lenb,lenc,i,j,x;
char n[100001],n1[100001],n2[100001];
memset(a,0,sizeof(a));
memset(b,0,sizeof(b));
memset(c,0,sizeof(c));
scanf("%s",n1);
scanf("%s",n2);
lena=strlen(n1);
lenb=strlen(n2);
for(j=0;j<=lena-1;j++)a[lena-j]=n1[j]-48;
for(j=0;j<=lenb-1;j++)b[lenb-j]=n2[j]-48;
i=1;x=0;
while(i<=lena||i<=lenb)
{
x=(a[i]+b[i]+c[i])/10;
c[i]=(a[i]+b[i]+c[i])%10;
c[i+1]+=x;
i++;
}
lenc=i;
while(c[lenc]==0&&lenc>1)//如果最高为上为零,lenc减一,消去
lenc--;
for(i=lenc;i>=1;i--)//此for用来一位一位倒序输出
cout<<c[i];
return 0;
}