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#include <iostream>
using namespace std;
 
 
int main() {
	long long k,a,b,x,y,c,d;
	cin>>k>>a>>x>>b>>y;
	if(k==0){cout<<0; return 0;}
	if(a>=k){a=0;x=0;}
	if(b>=k){b=0;y=0;}
	if(k!=0){
		c=x*(k-a)+y*(k-a-b);
		d=y*(k-a)+x*(k-a-b);
	}
	if(d>=c){cout<<abs(d);}
	if(c>d){cout<<abs(c);}
return 0;
}

prog.cpp: In function ‘int main()’:
prog.cpp:8:28: error: expected ‘;’ before ‘}’ token
  if(k==0){cout<<0; return 0}
                            ^
                            ;
prog.cpp:11:31: error: expected ‘;’ before ‘}’ token
  if((a+b)>k){cout<<0; return 0}
                               ^
                               ;

Standard output is empty