Run id: 77790

Main.cc:15:5: error: stray '\357' in program
     retuen 0；
     ^
Main.cc:15:5: error: stray '\274' in program
Main.cc:15:5: error: stray '\233' in program
Main.cc: In function 'int main()':
Main.cc:15:5: error: 'retuen' was not declared in this scope
Main.cc:4:13: warning: unused variable 'ans' [-Wunused-variable]
 int n,a,b,c,ans; 
             ^