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// Karol Kosinski 2022
#include <bits/stdc++.h>
#define FOR(i,a,b) for(int i=(a),_b=(b);i<_b;++i)
#define FR_(i,a,b) for(int i=(a),_b=(b);i<=_b;++i)
#define FD_(i,b,a) for(int i=(b),_a=(a);i>=_a;--i)
#define ALL(c) (c).begin(),(c).end()
#define SIZE(c) int((c).size())
#define TIE(x...) int x;tie(x)
#define X first
#define Y second
#ifndef ENABLE_DEBUG
#define DEB(k,p,f,x...)
#else
#define DEB(k,p,f,x...) {if(k)printf("--------%4d : %s\n",__LINE__,__FUNCTION__);if(p)f(x);}
#endif
#define DEBL DEB(1,1,void,0)
#define DEBF(f,x...) DEB(1,1,f,x)
#define DEBC(p,x...) DEB(0,p,printf,x)
#define DEBUG(x...) DEB(0,1,printf,x)
using namespace std;
using LL = long long;
using ULL = unsigned long long;
using PII = pair<int, int>;
using TIII = tuple<int, int, int>;

constexpr int NX = 5'003;
char A[NX], B[NX];
int Res[NX];

int main()
{
    scanf("%s%s", A, B);
    int an = strlen(A), bn = strlen(B);
    reverse( A, A + an );
    reverse( B, B + bn );
    DEBUG("%s\n", A);
    DEBUG("%s\n", B);
    FOR(i,0,an) A[i] -= '0';
    FOR(i,0,bn) B[i] -= '0';
    int aux = 0;
    FOR(i,0,NX)
    {
        Res[i] = aux + A[i] + B[i];
        aux = Res[i] / 10;
        Res[i] %= 10;
    }
    int nr = NX - 1;
    while ( Res[nr] == 0 ) -- nr;
    FD_(i,nr,0)
    {
        printf("%d", Res[i]);
    }
    printf("\n");
    return 0;
}