#include #include <math.h> #include #include <stdio.h> #include #include #include #include <string.h> #include using namespace std; #define LL long long const int N = 1e6 + 10; const int INF = 0x3f3f3f3f; string a,b; int a1[N],b1[N],c1[N],lena,lenb,lenc,x; int main() { cin >> a; cin >> 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';
}
for(int i = 0;i < lenb;i++)
{
	x =0;
	for(int j = 0;j < lena;j++)
	{
		c1[i + j]+=a1[j]* b1[i]+x;
		x = c1[i + h]/10;
		c1 [i+j]%=10;
	}
	c1[lena + i]=x;
} 
lenc = lena +lenb;
while(c1[lenc]==0&&lenc>0)
	lenc--;
for(int i = lenc;i >= 0;i--)
	cout <<c1[i];
return 0;

}