1057 数零壹 (20分)

#include <iostream>
#include <algorithm>
using namespace std;
int main(){
    string s;
    getline(cin,s); //字符串中有空格，要用getline()
    int sum = 0;
    int a[2]={0};
    for (int i=0;i<s.length();i++){
        if (isalpha(s[i])) 
            sum += (tolower(s[i])-'a'+1);
    }
     //除2取余
    while(sum != 0){//注意条件
        a[sum%2]++;
        sum=sum/2;
    }
    cout << a[0] << ' ' << a[1];
    return 0;
}