#include #include #include #include #include using namespace std; const int N=1e5+10; const int INF=0x3f3f3f3f; int a1[N],b1[N],c1[N],lena,lenb,lenc,x; string a,b; int main() { cin>>a>>b; lena=a.size(); lenb=b.size(); for(int i=0;i<lena;i++) { a1[i]=a[lena-i-1]-'0'; } for(int i=0;i<lenb;i++) { b1[i]=b[lenb-i-1]-'0'; } lenc=max(lena,lenb); for(int i=0;i<lenc;i++) { c1[i]=a1[i]+b1[i]+x; x=c1[i]/10; c1[i]%=10; } c1[lenc]=x; while(c1[lenc]==0&&lenc>0) lenc--; for(int i=lenc;i>=0;i--) { cout<<c1[i]; }

return 0; }