View Compilation Error

0_0_24313558_25963.cpp: In function 'int main()':
0_0_24313558_25963.cpp:5:23: error: expected ')' before ';' token
  while(~scanf("%d",&a);)
                       ^
0_0_24313558_25963.cpp:5:24: error: expected primary-expression before ')' token
  while(~scanf("%d",&a);)
                        ^