#include <bits/stdc++.h> using namespace std; int main() { char a[101],b[101]; int a1[101],b1[101],c[10001],na,nb,nc,x; memset(a,0,sizeof(a)); memset(b,0,sizeof(b)); memset(c,0,sizeof(c)); cin>>a>>b; na=strlen(a); nb=strlen(b); for(int i=0;i<=na-1;i++){ a[na-i]=a[i]-48; } for(int i=0;i<=nb-1;i++){ a[nb-i]=a[i]-48; } for(int i=1;i<=na;i++){ x=0; for(int j=1;j<=nb;j++){ c[i+j-1]=a[i]*b[j]+x+c[i+j-1]; x=c[i+j-1]/10; c[i+j-1]%10; } c[i+nb]=x; } nc=na+nb; while(c[nc]==0&&nc>1){ nc--; } for(int i=nc;i>=1;i--){ cout<<c[i]; } cout<<endl; return 0; }