View Compilation Error

0_0_38027198_3225.cpp:6:1: error: stray '\' in program
 printf(%d\n",a+b);
 ^
0_0_38027198_3225.cpp:6:1: error: missing terminating " character
0_0_38027198_3225.cpp: In function 'int main()':
0_0_38027198_3225.cpp:4:13: error: expected primary-expression before '%' token
 while(scanf(%d %d,&a,&b)!=EOF)
             ^
0_0_38027198_3225.cpp:4:14: error: 'd' was not declared in this scope
 while(scanf(%d %d,&a,&b)!=EOF)
              ^
0_0_38027198_3225.cpp:6:8: error: expected primary-expression before '%' token
 printf(%d\n",a+b);
        ^