View Compilation Error

140737_0_16687.cpp
140737_0_16687.cpp(7) : error C2679: binary '>>' : no operator defined which takes a right-hand operand of type '' (or there is no acceptable conversion)
140737_0_16687.cpp(9) : error C2065: 'retur0' : undeclared identifier
140737_0_16687.cpp(10) : warning C4508: 'main' : function should return a value; 'void' return type assumed