View Compilation Error

0_0_31377648_4661.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include”stdio.h”
         ^
0_0_31377648_4661.cpp: In function 'int main()':
0_0_31377648_4661.cpp:5:18: error: 'scanf' was not declared in this scope
     scanf("%d",&a);
                  ^
0_0_31377648_4661.cpp:11:25: error: 'printf' was not declared in this scope
             printf("3\n");
                         ^
0_0_31377648_4661.cpp:13:25: error: 'printf' was not declared in this scope
             printf("9\n");
                         ^
0_0_31377648_4661.cpp:18:35: error: 'printf' was not declared in this scope
             printf("%d\n",b[c-1]*3);
                                   ^