#include <iostream>

using namespace std;

int main()
{
    int Number1 , Number2;
    char input='' && ''
    for ( Number1 = 1 ; input != X ; Number2 = Number2 + Number1 )
    {
    cout << "輸入數字\n" ;
    cin >> input ;
    }
    cout << "總合為" << Number2 <<"\n" ;
    return 0 ;
}