#include<iostream>
#include<cstring>
#include<cstdio>
int ai[600],bi[600],c[700];
using namespace std;
int main()
{
    char ac[600],bc[600];
    int alen,blen,clen,i,cf=0;
    memset(ai,0,sizeof(ai));
    memset(bi,0,sizeof(bi));
    memset(c,0,sizeof(c));
    cin>>ac>>bc;
    alen=strlen(ac);
    blen=strlen(bc);
    for(i=0;i<alen;i++)
    {
        ai[alen-i]=(int)ac[i]-48;
    }
    for(i=0;i<blen;i++)
    {
        bi[blen-i]=(int)bc[i]-48;
    }
    clen=1;
    while(clen<=alen||clen<=blen)
    {
        c[clen]=ai[clen]+bi[clen]+cf;
        cf=c[clen]/10;
        c[clen]=c[clen]%10;
        clen++;
    }
    if(c[clen]==0)
    {
        clen--;
    }
    for(i=clen;i>0;i--)
    {
        cout<<c[i];
    }
    return 0;
}