View Compilation Error

0_0_34189007_147.cpp:3:5: error: expected primary-expression before 'int'
     int a,b;
     ^
0_0_34189007_147.cpp:3:5: error: expected '}' before 'int'
0_0_34189007_147.cpp:3:5: error: expected ',' or ';' before 'int'
0_0_34189007_147.cpp:4:5: error: expected unqualified-id before 'while'
     while(scanf("%d%d",&a,&b)!=EOF){
     ^
0_0_34189007_147.cpp:7:5: error: expected unqualified-id before 'return'
     return 0;
     ^
0_0_34189007_147.cpp:8:1: error: expected declaration before '}' token
 }        
 ^