#include<iostream>
using namespace std;
int main()
{
char in[100];
int count=0;
gets(in);
int len=strlen(in);
for(int i=0;i<len;i++)
{
if(in[i]>='A'&&in[i]<='Z')
{
count++;
}
}
cout<<count<<endl;
}
#include<iostream>
using namespace std;
int main()
{
int num, temp, tempsum = 0, sum = 0;
cin >> num;
while (num)
{
temp = num & 1;
if (temp)
{
tempsum++;
}
else
{
tempsum = 0;
}
if (tempsum>sum)
{
sum = tempsum;
}
num=num >> 1;
}
cout << sum << endl;
return 0;
}