View Compilation Error

0_0_33940009_22854.cpp:21:9: error: missing terminating " character
         printf("Case %d:
         ^
0_0_33940009_22854.cpp:23:1: error: missing terminating " character
 ",n+1,a,b,(a+b));
 ^
0_0_33940009_22854.cpp: In function 'int main()':
0_0_33940009_22854.cpp:22:1: error: expected primary-expression before '%' token
 %d + %d = %d
 ^
0_0_33940009_22854.cpp:22:2: error: 'd' was not declared in this scope
 %d + %d = %d
  ^
0_0_33940009_22854.cpp:22:6: error: expected primary-expression before '%' token
 %d + %d = %d
      ^
0_0_33940009_22854.cpp:22:11: error: expected primary-expression before '%' token
 %d + %d = %d
           ^