#include <stdio.h>

 #include <stdlib.h>

 void main()

 {

     int i;

     int sum = ;

     char ch;

     printf("请输入一串整数和任意数目的空格: ");

     while( scanf("%d", &i) ==  )

     {

         sum += i;

         while( (ch=getchar()) == ' ' )

             ;

         if( ch == '\n' )

         {

             break;

         }

         ungetc( ch, stdin );

     }

     printf("结果是: %d", sum);

     printf("\n");

     system("pause");

 }