Main.cc:3:19: error: 'b' has not been declared
 int vsandpk(int a,b,man){
                   ^
Main.cc:3:21: error: 'man' has not been declared
 int vsandpk(int a,b,man){
                     ^
Main.cc: In function 'int vsandpk(int, int, int)':
Main.cc:5:11: error: 'b' was not declared in this scope
   if(a*i&&b*i){
           ^
Main.cc:6:4: error: 'man' was not declared in this scope
    man=i; 
    ^
Main.cc:9:8: error: 'man' was not declared in this scope
  cout<