#include<iostream>
using namespace std;
int main(){
	
	int n,i,b,c,j,ans=0;
	cin>>n;
	int a[n];		
    for(i=0;i<n;i++){
    	cin>>b;
    	a[i]=b; 
		if (a[i]>a[i-1]) c=a[i];
    	else c=a[i-1];	
    }
    
	for(j=0;j<n;j++){
		if(a[j]!=c) ans+=a[j];
	}
	cout<<ans; 
	return 0;
}