#include <stdio.h>
int main()
{
	char s;
	while((s=getchar())!=EOF)
	{
		if(s<58&&s>47)
		    printf("%c",s);
		if(s=='\n')
		{
			printf("\n");
		}
	}
}

#include <stdio.h>
int main()
{
	char s;
	int n=0,m=0,i; /*n為字母個數，m為數字個數*/
	while((s=getchar())!=EOF)
	{
		if(s>64&&s<91)  n+=1;
        if(s>96&&s<123) n+=1;
	    if(s<58&&s>47)  m+=1;
	    i=m+n;
	    if(s=='\n')
	    {
	    	printf("%d\n",i);
	    	n=0;m=0;
		}
	}
   return 0;    
}