View Compilation Error

0_0_17078034_3374.cpp: In function 'int main()':
0_0_17078034_3374.cpp:5:26: error: 'x' was not declared in this scope
     while(scanf("%d %d",&x,&y)!=EOF)
                          ^
0_0_17078034_3374.cpp:5:29: error: 'y' was not declared in this scope
     while(scanf("%d %d",&x,&y)!=EOF)
                             ^
0_0_17078034_3374.cpp:6:1: error: expected primary-expression before '}' token
 }
 ^