View Compilation Error

0_0_26634343_7381.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_26634343_7381.cpp:2:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_26634343_7381.cpp: In function 'int main()':
0_0_26634343_7381.cpp:7:30: error: 'scanf' was not declared in this scope
     while(~scanf("%d%d",&n,&m))
                              ^
0_0_26634343_7381.cpp:9:30: error: 'printf' was not declared in this scope
         printf("%d\n",(m-1)%n);
                              ^