View Compilation Error

0_0_20781164_6304.cpp: In function 'int main()':
0_0_20781164_6304.cpp:6:5: error: expected '(' at end of input
     while
     ^
0_0_20781164_6304.cpp:6:5: error: expected primary-expression at end of input
0_0_20781164_6304.cpp:6:5: error: expected ')' at end of input
0_0_20781164_6304.cpp:6:5: error: expected statement at end of input
0_0_20781164_6304.cpp:6:5: error: expected '}' at end of input