View Compilation Error

0_0_20535895_25544.cpp: In function 'int main()':
0_0_20535895_25544.cpp:42:15: error: expected primary-expression before '%' token
   int sum = 0;%
               ^
0_0_20535895_25544.cpp:42:15: error: expected primary-expression at end of input
0_0_20535895_25544.cpp:42:15: error: expected '}' at end of input
0_0_20535895_25544.cpp:42:15: error: expected '}' at end of input