#include #include #include #include #define ll long long using namespace std; int main(){ ll a,b; cin>>a>>b; int fa=a,fb=b; if(fa%100||fb%100) fa=fb=0; while(abs(fa)>9){ if(fa%10&&fa/10){ fa=0; break; } fa/=10; } while(abs(fb)>9){ if(fb%10&&fb/10){ fb=0; break; } fb/=10; } if(fa&&fb){ cout<99999999) cout<<"E"<