#include<iostream>

 #include<cstdio>

 #include<cmath>

 int main(){

     int i,j;

     int a,b;

     scanf("%d%d",&a,&b);

     int sum=;

     for(i=;i<=a;i++)sum++;

     for(j=;j<=b;j++)sum++;

     std::cout<<sum<<std::endl;

     return ;

 }

 struct num

 {

     int l,a[];

     num operator + (const num &x) const

     {

         num ans;

         int len;

         memset(ans.a,,sizeof(ans.a));

         for (int i=;i<=l||i<=x.l;i++)

         {

             ans.a[i]+=a[i]+x.a[i];

             ans.a[i+]+=ans.a[i]/;

             ans.a[i]%=;

         }

         if (l<x.l) len=x.l+;

         else len=l+;

         while (!ans.a[len]&&len) len--;

         ans.l=len;

         return ans;

     }

 }

 void prt(num x)

 {

     printf("%d",x.a[x.l]);

     for (int i=x.l-;i>=;i--)

     {

         int y=x.a[i];

         if (y<) printf("");

         if (y<) printf("");

         if (y<) printf("");

         printf("%d",y);

     }

 }