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codeforces-expression 

#include<bits/stdc++.h>
using namespace std;
void check(int a,int b,int c)
{
 int p,q,r,s,t,u;
 p=a*b+c;
 q=a+b*c;
 r=(a+b)*c;
 s=a*b*c;
 t=a*(b+c);
 u=a+b+c;
 cout<<max(p,max(q,max(r,max(s,max(t,u)))));
}
int main()
{
 int a,b,c;
 cin>>a>>b>>c;
 check(a,b,c);
 return 0;
}

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