杭电OJ-2017

#include
#include
int main(){
    int n,m,sum,i,j;
    char str[10000];
    while(scanf("%d",&n)!=EOF){
        for(i=0;i='0'&&str[j]<='9')
                    sum++;
            }
            printf("%d\n",sum);
        }
    }
    return 0;
}