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

char buf[3200000],*w=buf;

void cp(char*s,int slen,int num){
	if(num){
		memcpy(w,s,slen);
		s=w;
		w+=slen;
		--num;
		int m=1;
		while(num){
			if(m>num) m=num;
			int t=slen*m;
			memcpy(w,s,t);
			w+=t;
			num-=m;
			m<<=1;
		}
	}
}

main(){
	long l,r;
	int n;
	scanf("%ld%ld%d",&l,&r,&n);
	++r;

	long d=(r-l)/n;
	char s0[32],s1[32];
	int s0len=sprintf(s0,"%ld\n",d);
	int s1len=sprintf(s1,"%ld\n",d+1);

	l%=n;
	r%=n;
	int i=0;
	if(l<=r){
		cp(s0,s0len,l);
		cp(s1,s1len,r-l);
		cp(s0,s0len,n-r);
	}else{
		cp(s1,s1len,r);
		cp(s0,s0len,l-r);
		cp(s1,s1len,n-l);
	}

	write(1,buf,w-buf);
	_exit(0);
}