View Compilation Error

0_0_30147422_16137.cpp:4:1: error: expected primary-expression before 'int'
 int a,b;
 ^
0_0_30147422_16137.cpp:4:1: error: expected '}' before 'int'
0_0_30147422_16137.cpp:4:1: error: expected ',' or ';' before 'int'
0_0_30147422_16137.cpp:5:1: error: 'cin' does not name a type
 cin>>a>>b;
 ^
0_0_30147422_16137.cpp:6:1: error: 'cout' does not name a type
 cout<<a+b<<endl;
 ^
0_0_30147422_16137.cpp:7:1: error: expected unqualified-id before 'return'
 return 0;
 ^
0_0_30147422_16137.cpp:8:1: error: expected declaration before '}' token
 }
 ^