#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")

#define rd() ({long _v=0,_c;while(_c=*rp++-48,_c>=0)_v=_v*10+_c;_v;})
#define wt(v) {ulong _z=v;do*--wp=_z%10+48;while(_z/=10);}
#define rep(v,e) for(long v=0;v<e;++v)
#define rrep(v,e) for(long v=e;v--;)

typedef unsigned long ulong;
char wbuf[1<<25];

unsigned wd[10000];
char wdlz[10000];

void mkwd(){
	unsigned v='0000';
	long i=0;
	rep(a,10){
		rep(b,10){
			rep(c,10){
				rep(d,10){
					wd[i++]=v;
					v+=1<<24;
				}
				v+=(1<<16)-(10<<24);
			}
			v+=(1<<8)-(10<<16);
		}
		v+=(1<<0)-(10<<8);
	}
	rep(j,1000) wdlz[j]=1;
	rep(j,100) wdlz[j]=2;
	rep(j,10) wdlz[j]=3;
}

int x[200000];
int a[200000];
int v[1000001];
int q[0x40000];

void dame(){
	write(1,"-1",2);
	_exit(0);
}

int main(){
	mkwd();

	long n;
	{
		char*mmap();
		char*rp=mmap(0l,1l<<25,1,2,0,0ll);
		n=rd();
		rep(i,n) x[i]=rd();
		rep(i,n){
			long y=rd();
			if(v[y]) dame();
			v[y]=~i;
		}
	}
	{
		long qr=0,qw=n;
		rrep(t,1000001){
			if(qr==qw) dame();
			long u=~q[qr++&0x3ffff];
			if(v[t]){
				if(u>=0) dame();
				u=~v[t];
			}
			if(u>=0&&!x[u]){
				a[u]=t;
			}
			else{
				if(u>=0){
					--x[u];
				}
				q[qw++&0x3ffff]=~u;
			}
		}
		if(qr!=qw) dame();
	}
	{
		char*wp=wbuf+sizeof wbuf;
		rrep(i,n){
			*--wp=' ';
			unsigned v=a[i];
			if(v>=10000){
				wp-=4;
				*(unsigned*)wp=wd[v%10000];
				v/=10000;
			}
			wp-=4;
			*(unsigned*)wp=wd[v];
			wp+=wdlz[v];
		}
		write(1,wp,wbuf+sizeof wbuf-wp);
	}
	_exit(0);
}