View Compilation Error

0_0_35606813_20449.cpp:8:11: error: '::main' must return 'int'
 void main()
           ^
0_0_35606813_20449.cpp: In function 'int main()':
0_0_35606813_20449.cpp:16:21: error: 'print' was not declared in this scope
       print("%d",sum);
                     ^
0_0_35606813_20449.cpp:20:1: error: expected '}' at end of input
 }
 ^