View Compilation Error

0_0_26437391_8026.cpp: In function 'int main()':
0_0_26437391_8026.cpp:6:3: error: expected initializer before 'while'
   while(scanf("%d",&n)!=EOF)
   ^
0_0_26437391_8026.cpp:23:1: error: expected '}' at end of input
 }
 ^