View Compilation Error

0_0_15933940_26817.cpp:8:1: error: stray '\' in program
 printf(%d\n,n);}
 ^
0_0_15933940_26817.cpp: In function 'int main()':
0_0_15933940_26817.cpp:5:2: error: expected initializer before 'while'
  while(scanf("%d",&n)!=EOF)
  ^