#include #define rep(i,n) for (int i=0; i<(n); ++i) using namespace std; using ll=long long; int main(){ ll a,b; cin>>a>>b; ll c=a,d=b; if(c!=0&&d!=0){ while(c%10==0){ c/=10; } while(d%10==0){ d/=10; } } if(a%100==0&&b%100==0&&abs(c)<=9&&abs(d)<=9){ cout<=9){ if(s.length()==9&&s[0]=='-'){ cout<