View Compilation Error

0_0_19020002_23143.cpp:27:13: error: stray '\243' in program
             sum=sum%1000000007；
             ^
0_0_19020002_23143.cpp:27:13: error: stray '\273' in program
0_0_19020002_23143.cpp: In function 'int main()':
0_0_19020002_23143.cpp:18:14: error: 'n' was not declared in this scope
         cin>>n;
              ^
0_0_19020002_23143.cpp:28:9: error: expected ';' before '}' token
         }
         ^
0_0_19020002_23143.cpp:29:15: error: 'su' was not declared in this scope
         cout<<su<<endl;
               ^