View Compilation Error

0_0_20010363_10265.cpp: In function 'int main()':
0_0_20010363_10265.cpp:5:6: error: expected '(' before '{' token
 while{
      ^
0_0_20010363_10265.cpp:5:6: error: expected primary-expression before '{' token
0_0_20010363_10265.cpp:5:6: error: expected ')' before '{' token