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

char*mmap();
char wbuf[1<<8];

#define WTHI(v) {long _z=v,_n=0,_d=0;while(++_n,_d=_d<<8|0x30|_z%10,_z/=10);*(long*)wp=_d;wp+=_n;}
#define WTLO(v) {long _z=v,_n=8,_d=0;while(_d=_d<<8|0x30|_z%10,_z/=10,--_n);*(long*)wp=_d;wp+=8;}
#define WT(v) if(v>=100000000){WTHI(v/100000000);WTLO(v);}else{WTHI(v);}

#define MD 1000000007

main(){
	char*rp=mmap(0l,1l<<28,1,2,0,0ll);
	int s=0,q=0,c;
	while(c=*rp++-48,c>=0){
		if(c>9){
			s=((long)s*10+1)%MD;
		}else{
			q+=c;
		}
	}
	int d=*rp++-48;
	if(d){
		s+=q&&(q-d)%9==0;
	}else{
		s=!q;
	}
	char*wp=wbuf;
	WT(s);
	write(1,wbuf,wp-wbuf);
	_exit(0);
}