View Compilation Error

0_0_27120450_6913.cpp: In function 'int main()':
0_0_27120450_6913.cpp:3:7: error: variable or field 'n' declared void
 {void n,i,m,sum;
       ^
0_0_27120450_6913.cpp:3:9: error: variable or field 'i' declared void
 {void n,i,m,sum;
         ^
0_0_27120450_6913.cpp:3:11: error: variable or field 'm' declared void
 {void n,i,m,sum;
           ^
0_0_27120450_6913.cpp:3:13: error: variable or field 'sum' declared void
 {void n,i,m,sum;
             ^
0_0_27120450_6913.cpp:4:20: error: 'n' was not declared in this scope
 while((scanf("%d",&n)!=EOF)$$(n!=0))
                    ^
0_0_27120450_6913.cpp:4:28: error: expected ')' before '$$'
 while((scanf("%d",&n)!=EOF)$$(n!=0))
                            ^
0_0_27120450_6913.cpp:4:35: error: '$$' was not declared in this scope
 while((scanf("%d",&n)!=EOF)$$(n!=0))
                                   ^
0_0_27120450_6913.cpp:14:7: error: expected primary-expression before '=' token
 return=0
       ^
0_0_27120450_6913.cpp:15:1: error: expected ';' before '}' token
 }
 ^