#include<stdio.h>
#include<string.h>
int main(){		
	char s[1000];
	gets(s);
	int len=strlen(s),i,n=0;
	for(i=0;i<len;i++){
		if(s[i]>='A'&&s[i]<='Z'){
			n++;
		}
		
	}
	printf("%d",n);
	return 0; 
	}
/**************************************************************
	Problem: 1007
	User: admin
	Language: C
	Result: Accepted
	Time:11 ms
	Memory:1036 kb
****************************************************************/