/*
 * Pointer1.8GetNumber.cpp
 * ????
 *  Created on: 2012-12-21
 *      Author: ???
 *      ??:??????????????????????????
 */
int main(){
	char *p;
	char a[33];
	gets(a);//??????a??????
	p=a;
	while(p-a <= strlen(a)){//???a??????
		if(*p == '-')
			{p++;
			while(*p>='0' && *p <='9')
			p++;}                //?????????????
		else if(*p>='0' && *p<='9')//????
			{cout<<*p;
			if(*(p+1)<'0' || *(p+1)>'9')//????????
			cout<<endl;
			p++;}
		else if(*p<'0' || *p>'9')
			p++;//???????
	}//while????

		return 0;
}
