View Compilation Error

0_0_15322852_15665.cpp:1:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_15322852_15665.cpp: In function 'int main()':
0_0_15322852_15665.cpp:9:27: error: 'scanf' was not declared in this scope
        scanf("%d %d",&a,&b); 
                           ^
0_0_15322852_15665.cpp:12:13: error: expected ')' before '{' token
    if (0    { 
             ^
0_0_15322852_15665.cpp:25:18: error: 'printf' was not declared in this scope
 printf("the endn"); 
                  ^