View Compilation Error

0_0_26590091_2017.cpp:4:3: error: expected primary-expression before 'int'
   int a,b,sum;
   ^
0_0_26590091_2017.cpp:4:3: error: expected '}' before 'int'
0_0_26590091_2017.cpp:4:3: error: expected ',' or ';' before 'int'
0_0_26590091_2017.cpp:5:3: error: 'a' does not name a type
   a=1;
   ^
0_0_26590091_2017.cpp:6:3: error: 'b' does not name a type
   b=1;
   ^
0_0_26590091_2017.cpp:7:3: error: 'sum' does not name a type
   sum=a+b;
   ^
0_0_26590091_2017.cpp:8:9: error: expected constructor, destructor, or type conversion before '(' token
   printf("%d\n");
         ^
0_0_26590091_2017.cpp:9:3: error: expected unqualified-id before 'return'
   return 0;
   ^
0_0_26590091_2017.cpp:10:1: error: expected declaration before '}' token
 }
 ^