Run id: 137872

Main.cc:13:1: error: stray '\357' in program
 a4=(a4-97+1)%26+97；
 ^
Main.cc:13:1: error: stray '\274' in program
Main.cc:13:1: error: stray '\233' in program
Main.cc: In function 'int main()':
Main.cc:9:1: error: expected initializer before 'cin'
 cin>>a1>>a2>>a3>>a4;
 ^
Main.cc:13:1: error: 'a4' was not declared in this scope
 a4=(a4-97+1)%26+97；
 ^