View Compilation Error

0_0_30938716_20319.cpp: In function 'int main()':
0_0_30938716_20319.cpp:6:6: error: expected '(' before '{' token
 while{(scanf("%d%d",&a,&b) != EOF)
      ^
0_0_30938716_20319.cpp:6:6: error: expected primary-expression before '{' token
0_0_30938716_20319.cpp:6:6: error: expected ')' before '{' token
0_0_30938716_20319.cpp:7:1: error: expected ';' before 'printf'
 printf("%d\n",c);
 ^