View Compilation Error

0_0_16768219_29375.cpp:53:2: error: stray '\243' in program
  cout<<b<<endl；
  ^
0_0_16768219_29375.cpp:53:2: error: stray '\273' in program
0_0_16768219_29375.cpp: In function 'int main()':
0_0_16768219_29375.cpp:35:17: error: 'strlen' was not declared in this scope
   int l=strlen(a);
                 ^
0_0_16768219_29375.cpp:54:2: error: expected ';' before 'return'
  return 0;
  ^