ll@n,@p,@q,@(x,a,b)[n],z=0; rep(i,n){ ll c=max(0,x[i]-b[i]); ll d=max(0,x[i]-a[i]); ll e=x[i]-c-d; if(e<0){ wt("No"); exit(0); } p-=c; q-=d; z+=e; } if(p<0||q<0||p+q