View Compilation Error

0_0_30416005_21157.cpp: In function 'int main()':
0_0_30416005_21157.cpp:8:9: error: expected initializer before 'scanf'
         scanf("%lld%lld",&a,&b);
         ^
0_0_30416005_21157.cpp:9:14: error: 'b' was not declared in this scope
         if(a&b==0) printf("%lld\n",min(a,b));
              ^