include

using namespace std; int a[10000],b[10000]; int main(){ string s1,s2; cin>>s1>>s2; for(int i=0;i<s1.size();i++){ [s1.size()-1-i]=s1[i]-'0'; for(int i=0;i<s2.size();i++){ [s2.size()-1-i]=s2[i]-'0'; for(int i=0;i<s1.size();i++){ for(int i=0;i<s2.size();i++){ { ([i+j]+=a[i]*b[j]; } for(int i=0;i<s2.size()+s2.size();i++){ c[i+1]+=c[i]/10; c[i]%=10; } int len=s1.size()+s2.size(); if(([len]==0)len--; for(int i=len-1;i>=0;i--) cont<<c[i]; return0; }