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#include<bits/stdc++.h>
using namespace std;
ifstream f("multiplu.in");
ofstream g("multiplu.out");
int a,b,mc,v[1002],lv=1;
int lcm(int x, int y)
{
int z=0;
while(y)
{
z=x%y;
x=y;
y=z;
}
return a*b/x;
}
int main()
{
f>>a>>b;
mc=lcm(a,b);
bool ok=1;
while(ok)
{
ok=0;
v[1]+=mc;
for(int j=1;j<=lv;++j)
{
v[j+1]+=v[j]/10;
v[j]%=10;
if(v[lv+1])
++lv;
}
bool k=1;
for(int j=1;j<=lv;++j)
if(v[j]>1)
{
k=0;
break;
}
if(k==0)
ok=1;
}
for(int j=lv;j>=1;--j)
g<<v[j];
return 0;
}