写了个程序，没错可是没法运行啊

#include<stdio.h>
int main()
   {int num0,num1,num2,num3,num4,num5,num6,num7,num8,num9,num10,sum;
     
   printf("输入一个二进制数\n");
   scanf("%d",&num0);
   num1=num0%1000000000;
   num2=num0/1000000000%100000000;
   num3=num0/1000000000/100000000%10000000;
   num4=num0/1000000000/100000000/10000000%1000000;
   num5=num0/1000000000/100000000/10000000/1000000%100000;
   num6=num0/1000000000/100000000/10000000/1000000/100000%10000;
   num7=num0/1000000000/100000000/10000000/1000000/100000/10000%1000;
   num8=num0/1000000000/100000000/10000000/1000000/100000/10000/1000%100;
   num9=num0/1000000000/100000000/10000000/1000000/100000/10000/1000/100%10;
   num10=num0/1000000000/100000000/10000000/1000000/100000/10000/1000/100/10;
   sum=num10*1+num9*2+num8*4+num7*8+num6*16+num6*32+num5*64+num4*128+
       num3*256+num2*512+num1*1024;
   printf("十进制数是%d",sum);
 return 0;
}