ll@n,@w[n],@m,@s[m];
rep(i,1,n)w[i]+=w[i-1];
rep(i,1,m)s[i]+=s[i-1];
map<pair<ll,ll>,ll>a,b;
a[{0,0}]=0;
a[{1,0}]=0;
ll c=0,d=0;
while(c<n&&d<m){
	if(!(d<m)||c<n&&w[c]<=s[d]){
		if(c&1){
			// 0 open
			if(c+1<n&&(!(d<m)||w[c+1]<=s[d])){
				c+=2;
				continue;
			}
			for(auto[x,y]:a){
				if(x.first==0){
					b[x]=y;
				}else if(x.first==1){
					b[x]=y;
					b[{0,w[c]}]=y+(w[c]-x.second)**2;
				}else{
					b[{0,w[c]}]=y;
				}
			}
		}else{
			// 0 close
			for(auto[x,y]:a){
				if(x.first==0){
					if(d&1){
						b[{-1,0}]=y+(w[c]-x.second)**2;
					}else{
						b[{1,w[c]}]=y+(w[c]-x.second)**2;
					}
				}else{
					b[x]=y;
				}
			}
		}
		c+=1;
	}else{
		if(d&1){
			// 1 open
			if(d+1<m&&(!(c<n)||s[d+1]<=w[c])){
				d+=2;
				continue;
			}
			for(auto[x,y]:a){
				if(x.first==1){
					b[x]=y;
				}else if(x.first==0){
					b[x]=y;
					b[{1,s[d]}]=y+(s[d]-x.second)**2;
				}else{
					b[{1,s[d]}]=y;
				}
			}
		}else{
			// 1 close
			for(auto[x,y]:a){
				if(x.first==1){
					if(c&1){
						b[{-1,0}]=y+(s[d]-x.second)**2;
					}else{
						b[{0,s[d]}]=y+(s[d]-x.second)**2;
					}
				}else{
					b[x]=y;
				}
			}
		}
		d+=1;
	}
	a.swap(b);
	b.clear();
}
ll z=0;
for(auto[x,y]:a){
	if(x.first>=0){
		z>?=y+(w[n-1]-x.second)**2;
	}else{
		z>?=y;
	}
}
wt(z);